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【typenum】 9 与常量泛型桥接（generic_const_mappings.rs）

news 来源：原创 2025/6/8 8:57:06

一、源码

该代码提供了常量结构体与库类型的转换。

// THIS IS GENERATED CODE
//! Module with some `const`-generics-friendly definitions, to help bridge the gap
//! between those and `typenum` types.
//!
//!   - It requires the `const-generics` crate feature to be enabled.
//!
//! The main type to use here is [`U`], although [`Const`] and [`ToUInt`] may be needed
//! in a generic context.use crate::*;/// The main mapping from a generic `const: usize` to a [`UInt`]: [`U<N>`] is expected to work like [`UN`].
///
///   - It requires the `const-generics` crate feature to be enabled.
///
/// [`U<N>`]: `U`
/// [`UN`]: `U42`
///
/// # Example
///
/// ```rust
/// use typenum::*;
///
/// assert_type_eq!(U<42>, U42);
/// ```
///
/// This can even be used in a generic `const N: usize` context, provided the
/// genericity is guarded by a `where` clause:
///
/// ```rust
/// use typenum::*;
///
/// struct MyStruct<const N: usize>;
///
/// trait MyTrait { type AssocType; }
///
/// impl<const N: usize> MyTrait
///     for MyStruct<N>
/// where
///     Const<N> : ToUInt,
/// {
///     type AssocType = U<N>;
/// }
///
/// assert_type_eq!(<MyStruct<42> as MyTrait>::AssocType, U42);
/// ```
pub type U<const N: usize> = <Const<N> as ToUInt>::Output;/// Used to allow the usage of [`U`] in a generic context.
pub struct Const<const N: usize>;/// Used to allow the usage of [`U`] in a generic context.
pub trait ToUInt {/// The [`UN`][`crate::U42`] type corresponding to `Self = Const<N>`.type Output;
}impl ToUInt for Const<0> {type Output = U0;
}impl ToUInt for Const<1> {type Output = U1;
}impl ToUInt for Const<2> {type Output = U2;
}impl ToUInt for Const<3> {type Output = U3;
}impl ToUInt for Const<4> {type Output = U4;
}impl ToUInt for Const<5> {type Output = U5;
}impl ToUInt for Const<6> {type Output = U6;
}impl ToUInt for Const<7> {type Output = U7;
}impl ToUInt for Const<8> {type Output = U8;
}impl ToUInt for Const<9> {type Output = U9;
}impl ToUInt for Const<10> {type Output = U10;
}impl ToUInt for Const<11> {type Output = U11;
}impl ToUInt for Const<12> {type Output = U12;
}impl ToUInt for Const<13> {type Output = U13;
}impl ToUInt for Const<14> {type Output = U14;
}impl ToUInt for Const<15> {type Output = U15;
}impl ToUInt for Const<16> {type Output = U16;
}impl ToUInt for Const<17> {type Output = U17;
}impl ToUInt for Const<18> {type Output = U18;
}impl ToUInt for Const<19> {type Output = U19;
}impl ToUInt for Const<20> {type Output = U20;
}impl ToUInt for Const<21> {type Output = U21;
}impl ToUInt for Const<22> {type Output = U22;
}impl ToUInt for Const<23> {type Output = U23;
}impl ToUInt for Const<24> {type Output = U24;
}impl ToUInt for Const<25> {type Output = U25;
}impl ToUInt for Const<26> {type Output = U26;
}impl ToUInt for Const<27> {type Output = U27;
}impl ToUInt for Const<28> {type Output = U28;
}impl ToUInt for Const<29> {type Output = U29;
}impl ToUInt for Const<30> {type Output = U30;
}impl ToUInt for Const<31> {type Output = U31;
}impl ToUInt for Const<32> {type Output = U32;
}impl ToUInt for Const<33> {type Output = U33;
}impl ToUInt for Const<34> {type Output = U34;
}impl ToUInt for Const<35> {type Output = U35;
}impl ToUInt for Const<36> {type Output = U36;
}impl ToUInt for Const<37> {type Output = U37;
}impl ToUInt for Const<38> {type Output = U38;
}impl ToUInt for Const<39> {type Output = U39;
}impl ToUInt for Const<40> {type Output = U40;
}impl ToUInt for Const<41> {type Output = U41;
}impl ToUInt for Const<42> {type Output = U42;
}impl ToUInt for Const<43> {type Output = U43;
}impl ToUInt for Const<44> {type Output = U44;
}impl ToUInt for Const<45> {type Output = U45;
}impl ToUInt for Const<46> {type Output = U46;
}impl ToUInt for Const<47> {type Output = U47;
}impl ToUInt for Const<48> {type Output = U48;
}impl ToUInt for Const<49> {type Output = U49;
}impl ToUInt for Const<50> {type Output = U50;
}impl ToUInt for Const<51> {type Output = U51;
}impl ToUInt for Const<52> {type Output = U52;
}impl ToUInt for Const<53> {type Output = U53;
}impl ToUInt for Const<54> {type Output = U54;
}impl ToUInt for Const<55> {type Output = U55;
}impl ToUInt for Const<56> {type Output = U56;
}impl ToUInt for Const<57> {type Output = U57;
}impl ToUInt for Const<58> {type Output = U58;
}impl ToUInt for Const<59> {type Output = U59;
}impl ToUInt for Const<60> {type Output = U60;
}impl ToUInt for Const<61> {type Output = U61;
}impl ToUInt for Const<62> {type Output = U62;
}impl ToUInt for Const<63> {type Output = U63;
}impl ToUInt for Const<64> {type Output = U64;
}impl ToUInt for Const<65> {type Output = U65;
}impl ToUInt for Const<66> {type Output = U66;
}impl ToUInt for Const<67> {type Output = U67;
}impl ToUInt for Const<68> {type Output = U68;
}impl ToUInt for Const<69> {type Output = U69;
}impl ToUInt for Const<70> {type Output = U70;
}impl ToUInt for Const<71> {type Output = U71;
}impl ToUInt for Const<72> {type Output = U72;
}impl ToUInt for Const<73> {type Output = U73;
}impl ToUInt for Const<74> {type Output = U74;
}impl ToUInt for Const<75> {type Output = U75;
}impl ToUInt for Const<76> {type Output = U76;
}impl ToUInt for Const<77> {type Output = U77;
}impl ToUInt for Const<78> {type Output = U78;
}impl ToUInt for Const<79> {type Output = U79;
}impl ToUInt for Const<80> {type Output = U80;
}impl ToUInt for Const<81> {type Output = U81;
}impl ToUInt for Const<82> {type Output = U82;
}impl ToUInt for Const<83> {type Output = U83;
}impl ToUInt for Const<84> {type Output = U84;
}impl ToUInt for Const<85> {type Output = U85;
}impl ToUInt for Const<86> {type Output = U86;
}impl ToUInt for Const<87> {type Output = U87;
}impl ToUInt for Const<88> {type Output = U88;
}impl ToUInt for Const<89> {type Output = U89;
}impl ToUInt for Const<90> {type Output = U90;
}impl ToUInt for Const<91> {type Output = U91;
}impl ToUInt for Const<92> {type Output = U92;
}impl ToUInt for Const<93> {type Output = U93;
}impl ToUInt for Const<94> {type Output = U94;
}impl ToUInt for Const<95> {type Output = U95;
}impl ToUInt for Const<96> {type Output = U96;
}impl ToUInt for Const<97> {type Output = U97;
}impl ToUInt for Const<98> {type Output = U98;
}impl ToUInt for Const<99> {type Output = U99;
}impl ToUInt for Const<100> {type Output = U100;
}impl ToUInt for Const<101> {type Output = U101;
}impl ToUInt for Const<102> {type Output = U102;
}impl ToUInt for Const<103> {type Output = U103;
}impl ToUInt for Const<104> {type Output = U104;
}impl ToUInt for Const<105> {type Output = U105;
}impl ToUInt for Const<106> {type Output = U106;
}impl ToUInt for Const<107> {type Output = U107;
}impl ToUInt for Const<108> {type Output = U108;
}impl ToUInt for Const<109> {type Output = U109;
}impl ToUInt for Const<110> {type Output = U110;
}impl ToUInt for Const<111> {type Output = U111;
}impl ToUInt for Const<112> {type Output = U112;
}impl ToUInt for Const<113> {type Output = U113;
}impl ToUInt for Const<114> {type Output = U114;
}impl ToUInt for Const<115> {type Output = U115;
}impl ToUInt for Const<116> {type Output = U116;
}impl ToUInt for Const<117> {type Output = U117;
}impl ToUInt for Const<118> {type Output = U118;
}impl ToUInt for Const<119> {type Output = U119;
}impl ToUInt for Const<120> {type Output = U120;
}impl ToUInt for Const<121> {type Output = U121;
}impl ToUInt for Const<122> {type Output = U122;
}impl ToUInt for Const<123> {type Output = U123;
}impl ToUInt for Const<124> {type Output = U124;
}impl ToUInt for Const<125> {type Output = U125;
}impl ToUInt for Const<126> {type Output = U126;
}impl ToUInt for Const<127> {type Output = U127;
}impl ToUInt for Const<128> {type Output = U128;
}impl ToUInt for Const<129> {type Output = U129;
}impl ToUInt for Const<130> {type Output = U130;
}impl ToUInt for Const<131> {type Output = U131;
}impl ToUInt for Const<132> {type Output = U132;
}impl ToUInt for Const<133> {type Output = U133;
}impl ToUInt for Const<134> {type Output = U134;
}impl ToUInt for Const<135> {type Output = U135;
}impl ToUInt for Const<136> {type Output = U136;
}impl ToUInt for Const<137> {type Output = U137;
}impl ToUInt for Const<138> {type Output = U138;
}impl ToUInt for Const<139> {type Output = U139;
}impl ToUInt for Const<140> {type Output = U140;
}impl ToUInt for Const<141> {type Output = U141;
}impl ToUInt for Const<142> {type Output = U142;
}impl ToUInt for Const<143> {type Output = U143;
}impl ToUInt for Const<144> {type Output = U144;
}impl ToUInt for Const<145> {type Output = U145;
}impl ToUInt for Const<146> {type Output = U146;
}impl ToUInt for Const<147> {type Output = U147;
}impl ToUInt for Const<148> {type Output = U148;
}impl ToUInt for Const<149> {type Output = U149;
}impl ToUInt for Const<150> {type Output = U150;
}impl ToUInt for Const<151> {type Output = U151;
}impl ToUInt for Const<152> {type Output = U152;
}impl ToUInt for Const<153> {type Output = U153;
}impl ToUInt for Const<154> {type Output = U154;
}impl ToUInt for Const<155> {type Output = U155;
}impl ToUInt for Const<156> {type Output = U156;
}impl ToUInt for Const<157> {type Output = U157;
}impl ToUInt for Const<158> {type Output = U158;
}impl ToUInt for Const<159> {type Output = U159;
}impl ToUInt for Const<160> {type Output = U160;
}impl ToUInt for Const<161> {type Output = U161;
}impl ToUInt for Const<162> {type Output = U162;
}impl ToUInt for Const<163> {type Output = U163;
}impl ToUInt for Const<164> {type Output = U164;
}impl ToUInt for Const<165> {type Output = U165;
}impl ToUInt for Const<166> {type Output = U166;
}impl ToUInt for Const<167> {type Output = U167;
}impl ToUInt for Const<168> {type Output = U168;
}impl ToUInt for Const<169> {type Output = U169;
}impl ToUInt for Const<170> {type Output = U170;
}impl ToUInt for Const<171> {type Output = U171;
}impl ToUInt for Const<172> {type Output = U172;
}impl ToUInt for Const<173> {type Output = U173;
}impl ToUInt for Const<174> {type Output = U174;
}impl ToUInt for Const<175> {type Output = U175;
}impl ToUInt for Const<176> {type Output = U176;
}impl ToUInt for Const<177> {type Output = U177;
}impl ToUInt for Const<178> {type Output = U178;
}impl ToUInt for Const<179> {type Output = U179;
}impl ToUInt for Const<180> {type Output = U180;
}impl ToUInt for Const<181> {type Output = U181;
}impl ToUInt for Const<182> {type Output = U182;
}impl ToUInt for Const<183> {type Output = U183;
}impl ToUInt for Const<184> {type Output = U184;
}impl ToUInt for Const<185> {type Output = U185;
}impl ToUInt for Const<186> {type Output = U186;
}impl ToUInt for Const<187> {type Output = U187;
}impl ToUInt for Const<188> {type Output = U188;
}impl ToUInt for Const<189> {type Output = U189;
}impl ToUInt for Const<190> {type Output = U190;
}impl ToUInt for Const<191> {type Output = U191;
}impl ToUInt for Const<192> {type Output = U192;
}impl ToUInt for Const<193> {type Output = U193;
}impl ToUInt for Const<194> {type Output = U194;
}impl ToUInt for Const<195> {type Output = U195;
}impl ToUInt for Const<196> {type Output = U196;
}impl ToUInt for Const<197> {type Output = U197;
}impl ToUInt for Const<198> {type Output = U198;
}impl ToUInt for Const<199> {type Output = U199;
}impl ToUInt for Const<200> {type Output = U200;
}impl ToUInt for Const<201> {type Output = U201;
}impl ToUInt for Const<202> {type Output = U202;
}impl ToUInt for Const<203> {type Output = U203;
}impl ToUInt for Const<204> {type Output = U204;
}impl ToUInt for Const<205> {type Output = U205;
}impl ToUInt for Const<206> {type Output = U206;
}impl ToUInt for Const<207> {type Output = U207;
}impl ToUInt for Const<208> {type Output = U208;
}impl ToUInt for Const<209> {type Output = U209;
}impl ToUInt for Const<210> {type Output = U210;
}impl ToUInt for Const<211> {type Output = U211;
}impl ToUInt for Const<212> {type Output = U212;
}impl ToUInt for Const<213> {type Output = U213;
}impl ToUInt for Const<214> {type Output = U214;
}impl ToUInt for Const<215> {type Output = U215;
}impl ToUInt for Const<216> {type Output = U216;
}impl ToUInt for Const<217> {type Output = U217;
}impl ToUInt for Const<218> {type Output = U218;
}impl ToUInt for Const<219> {type Output = U219;
}impl ToUInt for Const<220> {type Output = U220;
}impl ToUInt for Const<221> {type Output = U221;
}impl ToUInt for Const<222> {type Output = U222;
}impl ToUInt for Const<223> {type Output = U223;
}impl ToUInt for Const<224> {type Output = U224;
}impl ToUInt for Const<225> {type Output = U225;
}impl ToUInt for Const<226> {type Output = U226;
}impl ToUInt for Const<227> {type Output = U227;
}impl ToUInt for Const<228> {type Output = U228;
}impl ToUInt for Const<229> {type Output = U229;
}impl ToUInt for Const<230> {type Output = U230;
}impl ToUInt for Const<231> {type Output = U231;
}impl ToUInt for Const<232> {type Output = U232;
}impl ToUInt for Const<233> {type Output = U233;
}impl ToUInt for Const<234> {type Output = U234;
}impl ToUInt for Const<235> {type Output = U235;
}impl ToUInt for Const<236> {type Output = U236;
}impl ToUInt for Const<237> {type Output = U237;
}impl ToUInt for Const<238> {type Output = U238;
}impl ToUInt for Const<239> {type Output = U239;
}impl ToUInt for Const<240> {type Output = U240;
}impl ToUInt for Const<241> {type Output = U241;
}impl ToUInt for Const<242> {type Output = U242;
}impl ToUInt for Const<243> {type Output = U243;
}impl ToUInt for Const<244> {type Output = U244;
}impl ToUInt for Const<245> {type Output = U245;
}impl ToUInt for Const<246> {type Output = U246;
}impl ToUInt for Const<247> {type Output = U247;
}impl ToUInt for Const<248> {type Output = U248;
}impl ToUInt for Const<249> {type Output = U249;
}impl ToUInt for Const<250> {type Output = U250;
}impl ToUInt for Const<251> {type Output = U251;
}impl ToUInt for Const<252> {type Output = U252;
}impl ToUInt for Const<253> {type Output = U253;
}impl ToUInt for Const<254> {type Output = U254;
}impl ToUInt for Const<255> {type Output = U255;
}impl ToUInt for Const<256> {type Output = U256;
}impl ToUInt for Const<257> {type Output = U257;
}impl ToUInt for Const<258> {type Output = U258;
}impl ToUInt for Const<259> {type Output = U259;
}impl ToUInt for Const<260> {type Output = U260;
}impl ToUInt for Const<261> {type Output = U261;
}impl ToUInt for Const<262> {type Output = U262;
}impl ToUInt for Const<263> {type Output = U263;
}impl ToUInt for Const<264> {type Output = U264;
}impl ToUInt for Const<265> {type Output = U265;
}impl ToUInt for Const<266> {type Output = U266;
}impl ToUInt for Const<267> {type Output = U267;
}impl ToUInt for Const<268> {type Output = U268;
}impl ToUInt for Const<269> {type Output = U269;
}impl ToUInt for Const<270> {type Output = U270;
}impl ToUInt for Const<271> {type Output = U271;
}impl ToUInt for Const<272> {type Output = U272;
}impl ToUInt for Const<273> {type Output = U273;
}impl ToUInt for Const<274> {type Output = U274;
}impl ToUInt for Const<275> {type Output = U275;
}impl ToUInt for Const<276> {type Output = U276;
}impl ToUInt for Const<277> {type Output = U277;
}impl ToUInt for Const<278> {type Output = U278;
}impl ToUInt for Const<279> {type Output = U279;
}impl ToUInt for Const<280> {type Output = U280;
}impl ToUInt for Const<281> {type Output = U281;
}impl ToUInt for Const<282> {type Output = U282;
}impl ToUInt for Const<283> {type Output = U283;
}impl ToUInt for Const<284> {type Output = U284;
}impl ToUInt for Const<285> {type Output = U285;
}impl ToUInt for Const<286> {type Output = U286;
}impl ToUInt for Const<287> {type Output = U287;
}impl ToUInt for Const<288> {type Output = U288;
}impl ToUInt for Const<289> {type Output = U289;
}impl ToUInt for Const<290> {type Output = U290;
}impl ToUInt for Const<291> {type Output = U291;
}impl ToUInt for Const<292> {type Output = U292;
}impl ToUInt for Const<293> {type Output = U293;
}impl ToUInt for Const<294> {type Output = U294;
}impl ToUInt for Const<295> {type Output = U295;
}impl ToUInt for Const<296> {type Output = U296;
}impl ToUInt for Const<297> {type Output = U297;
}impl ToUInt for Const<298> {type Output = U298;
}impl ToUInt for Const<299> {type Output = U299;
}impl ToUInt for Const<300> {type Output = U300;
}impl ToUInt for Const<301> {type Output = U301;
}impl ToUInt for Const<302> {type Output = U302;
}impl ToUInt for Const<303> {type Output = U303;
}impl ToUInt for Const<304> {type Output = U304;
}impl ToUInt for Const<305> {type Output = U305;
}impl ToUInt for Const<306> {type Output = U306;
}impl ToUInt for Const<307> {type Output = U307;
}impl ToUInt for Const<308> {type Output = U308;
}impl ToUInt for Const<309> {type Output = U309;
}impl ToUInt for Const<310> {type Output = U310;
}impl ToUInt for Const<311> {type Output = U311;
}impl ToUInt for Const<312> {type Output = U312;
}impl ToUInt for Const<313> {type Output = U313;
}impl ToUInt for Const<314> {type Output = U314;
}impl ToUInt for Const<315> {type Output = U315;
}impl ToUInt for Const<316> {type Output = U316;
}impl ToUInt for Const<317> {type Output = U317;
}impl ToUInt for Const<318> {type Output = U318;
}impl ToUInt for Const<319> {type Output = U319;
}impl ToUInt for Const<320> {type Output = U320;
}impl ToUInt for Const<321> {type Output = U321;
}impl ToUInt for Const<322> {type Output = U322;
}impl ToUInt for Const<323> {type Output = U323;
}impl ToUInt for Const<324> {type Output = U324;
}impl ToUInt for Const<325> {type Output = U325;
}impl ToUInt for Const<326> {type Output = U326;
}impl ToUInt for Const<327> {type Output = U327;
}impl ToUInt for Const<328> {type Output = U328;
}impl ToUInt for Const<329> {type Output = U329;
}impl ToUInt for Const<330> {type Output = U330;
}impl ToUInt for Const<331> {type Output = U331;
}impl ToUInt for Const<332> {type Output = U332;
}impl ToUInt for Const<333> {type Output = U333;
}impl ToUInt for Const<334> {type Output = U334;
}impl ToUInt for Const<335> {type Output = U335;
}impl ToUInt for Const<336> {type Output = U336;
}impl ToUInt for Const<337> {type Output = U337;
}impl ToUInt for Const<338> {type Output = U338;
}impl ToUInt for Const<339> {type Output = U339;
}impl ToUInt for Const<340> {type Output = U340;
}impl ToUInt for Const<341> {type Output = U341;
}impl ToUInt for Const<342> {type Output = U342;
}impl ToUInt for Const<343> {type Output = U343;
}impl ToUInt for Const<344> {type Output = U344;
}impl ToUInt for Const<345> {type Output = U345;
}impl ToUInt for Const<346> {type Output = U346;
}impl ToUInt for Const<347> {type Output = U347;
}impl ToUInt for Const<348> {type Output = U348;
}impl ToUInt for Const<349> {type Output = U349;
}impl ToUInt for Const<350> {type Output = U350;
}impl ToUInt for Const<351> {type Output = U351;
}impl ToUInt for Const<352> {type Output = U352;
}impl ToUInt for Const<353> {type Output = U353;
}impl ToUInt for Const<354> {type Output = U354;
}impl ToUInt for Const<355> {type Output = U355;
}impl ToUInt for Const<356> {type Output = U356;
}impl ToUInt for Const<357> {type Output = U357;
}impl ToUInt for Const<358> {type Output = U358;
}impl ToUInt for Const<359> {type Output = U359;
}impl ToUInt for Const<360> {type Output = U360;
}impl ToUInt for Const<361> {type Output = U361;
}impl ToUInt for Const<362> {type Output = U362;
}impl ToUInt for Const<363> {type Output = U363;
}impl ToUInt for Const<364> {type Output = U364;
}impl ToUInt for Const<365> {type Output = U365;
}impl ToUInt for Const<366> {type Output = U366;
}impl ToUInt for Const<367> {type Output = U367;
}impl ToUInt for Const<368> {type Output = U368;
}impl ToUInt for Const<369> {type Output = U369;
}impl ToUInt for Const<370> {type Output = U370;
}impl ToUInt for Const<371> {type Output = U371;
}impl ToUInt for Const<372> {type Output = U372;
}impl ToUInt for Const<373> {type Output = U373;
}impl ToUInt for Const<374> {type Output = U374;
}impl ToUInt for Const<375> {type Output = U375;
}impl ToUInt for Const<376> {type Output = U376;
}impl ToUInt for Const<377> {type Output = U377;
}impl ToUInt for Const<378> {type Output = U378;
}impl ToUInt for Const<379> {type Output = U379;
}impl ToUInt for Const<380> {type Output = U380;
}impl ToUInt for Const<381> {type Output = U381;
}impl ToUInt for Const<382> {type Output = U382;
}impl ToUInt for Const<383> {type Output = U383;
}impl ToUInt for Const<384> {type Output = U384;
}impl ToUInt for Const<385> {type Output = U385;
}impl ToUInt for Const<386> {type Output = U386;
}impl ToUInt for Const<387> {type Output = U387;
}impl ToUInt for Const<388> {type Output = U388;
}impl ToUInt for Const<389> {type Output = U389;
}impl ToUInt for Const<390> {type Output = U390;
}impl ToUInt for Const<391> {type Output = U391;
}impl ToUInt for Const<392> {type Output = U392;
}impl ToUInt for Const<393> {type Output = U393;
}impl ToUInt for Const<394> {type Output = U394;
}impl ToUInt for Const<395> {type Output = U395;
}impl ToUInt for Const<396> {type Output = U396;
}impl ToUInt for Const<397> {type Output = U397;
}impl ToUInt for Const<398> {type Output = U398;
}impl ToUInt for Const<399> {type Output = U399;
}impl ToUInt for Const<400> {type Output = U400;
}impl ToUInt for Const<401> {type Output = U401;
}impl ToUInt for Const<402> {type Output = U402;
}impl ToUInt for Const<403> {type Output = U403;
}impl ToUInt for Const<404> {type Output = U404;
}impl ToUInt for Const<405> {type Output = U405;
}impl ToUInt for Const<406> {type Output = U406;
}impl ToUInt for Const<407> {type Output = U407;
}impl ToUInt for Const<408> {type Output = U408;
}impl ToUInt for Const<409> {type Output = U409;
}impl ToUInt for Const<410> {type Output = U410;
}impl ToUInt for Const<411> {type Output = U411;
}impl ToUInt for Const<412> {type Output = U412;
}impl ToUInt for Const<413> {type Output = U413;
}impl ToUInt for Const<414> {type Output = U414;
}impl ToUInt for Const<415> {type Output = U415;
}impl ToUInt for Const<416> {type Output = U416;
}impl ToUInt for Const<417> {type Output = U417;
}impl ToUInt for Const<418> {type Output = U418;
}impl ToUInt for Const<419> {type Output = U419;
}impl ToUInt for Const<420> {type Output = U420;
}impl ToUInt for Const<421> {type Output = U421;
}impl ToUInt for Const<422> {type Output = U422;
}impl ToUInt for Const<423> {type Output = U423;
}impl ToUInt for Const<424> {type Output = U424;
}impl ToUInt for Const<425> {type Output = U425;
}impl ToUInt for Const<426> {type Output = U426;
}impl ToUInt for Const<427> {type Output = U427;
}impl ToUInt for Const<428> {type Output = U428;
}impl ToUInt for Const<429> {type Output = U429;
}impl ToUInt for Const<430> {type Output = U430;
}impl ToUInt for Const<431> {type Output = U431;
}impl ToUInt for Const<432> {type Output = U432;
}impl ToUInt for Const<433> {type Output = U433;
}impl ToUInt for Const<434> {type Output = U434;
}impl ToUInt for Const<435> {type Output = U435;
}impl ToUInt for Const<436> {type Output = U436;
}impl ToUInt for Const<437> {type Output = U437;
}impl ToUInt for Const<438> {type Output = U438;
}impl ToUInt for Const<439> {type Output = U439;
}impl ToUInt for Const<440> {type Output = U440;
}impl ToUInt for Const<441> {type Output = U441;
}impl ToUInt for Const<442> {type Output = U442;
}impl ToUInt for Const<443> {type Output = U443;
}impl ToUInt for Const<444> {type Output = U444;
}impl ToUInt for Const<445> {type Output = U445;
}impl ToUInt for Const<446> {type Output = U446;
}impl ToUInt for Const<447> {type Output = U447;
}impl ToUInt for Const<448> {type Output = U448;
}impl ToUInt for Const<449> {type Output = U449;
}impl ToUInt for Const<450> {type Output = U450;
}impl ToUInt for Const<451> {type Output = U451;
}impl ToUInt for Const<452> {type Output = U452;
}impl ToUInt for Const<453> {type Output = U453;
}impl ToUInt for Const<454> {type Output = U454;
}impl ToUInt for Const<455> {type Output = U455;
}impl ToUInt for Const<456> {type Output = U456;
}impl ToUInt for Const<457> {type Output = U457;
}impl ToUInt for Const<458> {type Output = U458;
}impl ToUInt for Const<459> {type Output = U459;
}impl ToUInt for Const<460> {type Output = U460;
}impl ToUInt for Const<461> {type Output = U461;
}impl ToUInt for Const<462> {type Output = U462;
}impl ToUInt for Const<463> {type Output = U463;
}impl ToUInt for Const<464> {type Output = U464;
}impl ToUInt for Const<465> {type Output = U465;
}impl ToUInt for Const<466> {type Output = U466;
}impl ToUInt for Const<467> {type Output = U467;
}impl ToUInt for Const<468> {type Output = U468;
}impl ToUInt for Const<469> {type Output = U469;
}impl ToUInt for Const<470> {type Output = U470;
}impl ToUInt for Const<471> {type Output = U471;
}impl ToUInt for Const<472> {type Output = U472;
}impl ToUInt for Const<473> {type Output = U473;
}impl ToUInt for Const<474> {type Output = U474;
}impl ToUInt for Const<475> {type Output = U475;
}impl ToUInt for Const<476> {type Output = U476;
}impl ToUInt for Const<477> {type Output = U477;
}impl ToUInt for Const<478> {type Output = U478;
}impl ToUInt for Const<479> {type Output = U479;
}impl ToUInt for Const<480> {type Output = U480;
}impl ToUInt for Const<481> {type Output = U481;
}impl ToUInt for Const<482> {type Output = U482;
}impl ToUInt for Const<483> {type Output = U483;
}impl ToUInt for Const<484> {type Output = U484;
}impl ToUInt for Const<485> {type Output = U485;
}impl ToUInt for Const<486> {type Output = U486;
}impl ToUInt for Const<487> {type Output = U487;
}impl ToUInt for Const<488> {type Output = U488;
}impl ToUInt for Const<489> {type Output = U489;
}impl ToUInt for Const<490> {type Output = U490;
}impl ToUInt for Const<491> {type Output = U491;
}impl ToUInt for Const<492> {type Output = U492;
}impl ToUInt for Const<493> {type Output = U493;
}impl ToUInt for Const<494> {type Output = U494;
}impl ToUInt for Const<495> {type Output = U495;
}impl ToUInt for Const<496> {type Output = U496;
}impl ToUInt for Const<497> {type Output = U497;
}impl ToUInt for Const<498> {type Output = U498;
}impl ToUInt for Const<499> {type Output = U499;
}impl ToUInt for Const<500> {type Output = U500;
}impl ToUInt for Const<501> {type Output = U501;
}impl ToUInt for Const<502> {type Output = U502;
}impl ToUInt for Const<503> {type Output = U503;
}impl ToUInt for Const<504> {type Output = U504;
}impl ToUInt for Const<505> {type Output = U505;
}impl ToUInt for Const<506> {type Output = U506;
}impl ToUInt for Const<507> {type Output = U507;
}impl ToUInt for Const<508> {type Output = U508;
}impl ToUInt for Const<509> {type Output = U509;
}impl ToUInt for Const<510> {type Output = U510;
}impl ToUInt for Const<511> {type Output = U511;
}impl ToUInt for Const<512> {type Output = U512;
}impl ToUInt for Const<513> {type Output = U513;
}impl ToUInt for Const<514> {type Output = U514;
}impl ToUInt for Const<515> {type Output = U515;
}impl ToUInt for Const<516> {type Output = U516;
}impl ToUInt for Const<517> {type Output = U517;
}impl ToUInt for Const<518> {type Output = U518;
}impl ToUInt for Const<519> {type Output = U519;
}impl ToUInt for Const<520> {type Output = U520;
}impl ToUInt for Const<521> {type Output = U521;
}impl ToUInt for Const<522> {type Output = U522;
}impl ToUInt for Const<523> {type Output = U523;
}impl ToUInt for Const<524> {type Output = U524;
}impl ToUInt for Const<525> {type Output = U525;
}impl ToUInt for Const<526> {type Output = U526;
}impl ToUInt for Const<527> {type Output = U527;
}impl ToUInt for Const<528> {type Output = U528;
}impl ToUInt for Const<529> {type Output = U529;
}impl ToUInt for Const<530> {type Output = U530;
}impl ToUInt for Const<531> {type Output = U531;
}impl ToUInt for Const<532> {type Output = U532;
}impl ToUInt for Const<533> {type Output = U533;
}impl ToUInt for Const<534> {type Output = U534;
}impl ToUInt for Const<535> {type Output = U535;
}impl ToUInt for Const<536> {type Output = U536;
}impl ToUInt for Const<537> {type Output = U537;
}impl ToUInt for Const<538> {type Output = U538;
}impl ToUInt for Const<539> {type Output = U539;
}impl ToUInt for Const<540> {type Output = U540;
}impl ToUInt for Const<541> {type Output = U541;
}impl ToUInt for Const<542> {type Output = U542;
}impl ToUInt for Const<543> {type Output = U543;
}impl ToUInt for Const<544> {type Output = U544;
}impl ToUInt for Const<545> {type Output = U545;
}impl ToUInt for Const<546> {type Output = U546;
}impl ToUInt for Const<547> {type Output = U547;
}impl ToUInt for Const<548> {type Output = U548;
}impl ToUInt for Const<549> {type Output = U549;
}impl ToUInt for Const<550> {type Output = U550;
}impl ToUInt for Const<551> {type Output = U551;
}impl ToUInt for Const<552> {type Output = U552;
}impl ToUInt for Const<553> {type Output = U553;
}impl ToUInt for Const<554> {type Output = U554;
}impl ToUInt for Const<555> {type Output = U555;
}impl ToUInt for Const<556> {type Output = U556;
}impl ToUInt for Const<557> {type Output = U557;
}impl ToUInt for Const<558> {type Output = U558;
}impl ToUInt for Const<559> {type Output = U559;
}impl ToUInt for Const<560> {type Output = U560;
}impl ToUInt for Const<561> {type Output = U561;
}impl ToUInt for Const<562> {type Output = U562;
}impl ToUInt for Const<563> {type Output = U563;
}impl ToUInt for Const<564> {type Output = U564;
}impl ToUInt for Const<565> {type Output = U565;
}impl ToUInt for Const<566> {type Output = U566;
}impl ToUInt for Const<567> {type Output = U567;
}impl ToUInt for Const<568> {type Output = U568;
}impl ToUInt for Const<569> {type Output = U569;
}impl ToUInt for Const<570> {type Output = U570;
}impl ToUInt for Const<571> {type Output = U571;
}impl ToUInt for Const<572> {type Output = U572;
}impl ToUInt for Const<573> {type Output = U573;
}impl ToUInt for Const<574> {type Output = U574;
}impl ToUInt for Const<575> {type Output = U575;
}impl ToUInt for Const<576> {type Output = U576;
}impl ToUInt for Const<577> {type Output = U577;
}impl ToUInt for Const<578> {type Output = U578;
}impl ToUInt for Const<579> {type Output = U579;
}impl ToUInt for Const<580> {type Output = U580;
}impl ToUInt for Const<581> {type Output = U581;
}impl ToUInt for Const<582> {type Output = U582;
}impl ToUInt for Const<583> {type Output = U583;
}impl ToUInt for Const<584> {type Output = U584;
}impl ToUInt for Const<585> {type Output = U585;
}impl ToUInt for Const<586> {type Output = U586;
}impl ToUInt for Const<587> {type Output = U587;
}impl ToUInt for Const<588> {type Output = U588;
}impl ToUInt for Const<589> {type Output = U589;
}impl ToUInt for Const<590> {type Output = U590;
}impl ToUInt for Const<591> {type Output = U591;
}impl ToUInt for Const<592> {type Output = U592;
}impl ToUInt for Const<593> {type Output = U593;
}impl ToUInt for Const<594> {type Output = U594;
}impl ToUInt for Const<595> {type Output = U595;
}impl ToUInt for Const<596> {type Output = U596;
}impl ToUInt for Const<597> {type Output = U597;
}impl ToUInt for Const<598> {type Output = U598;
}impl ToUInt for Const<599> {type Output = U599;
}impl ToUInt for Const<600> {type Output = U600;
}impl ToUInt for Const<601> {type Output = U601;
}impl ToUInt for Const<602> {type Output = U602;
}impl ToUInt for Const<603> {type Output = U603;
}impl ToUInt for Const<604> {type Output = U604;
}impl ToUInt for Const<605> {type Output = U605;
}impl ToUInt for Const<606> {type Output = U606;
}impl ToUInt for Const<607> {type Output = U607;
}impl ToUInt for Const<608> {type Output = U608;
}impl ToUInt for Const<609> {type Output = U609;
}impl ToUInt for Const<610> {type Output = U610;
}impl ToUInt for Const<611> {type Output = U611;
}impl ToUInt for Const<612> {type Output = U612;
}impl ToUInt for Const<613> {type Output = U613;
}impl ToUInt for Const<614> {type Output = U614;
}impl ToUInt for Const<615> {type Output = U615;
}impl ToUInt for Const<616> {type Output = U616;
}impl ToUInt for Const<617> {type Output = U617;
}impl ToUInt for Const<618> {type Output = U618;
}impl ToUInt for Const<619> {type Output = U619;
}impl ToUInt for Const<620> {type Output = U620;
}impl ToUInt for Const<621> {type Output = U621;
}impl ToUInt for Const<622> {type Output = U622;
}impl ToUInt for Const<623> {type Output = U623;
}impl ToUInt for Const<624> {type Output = U624;
}impl ToUInt for Const<625> {type Output = U625;
}impl ToUInt for Const<626> {type Output = U626;
}impl ToUInt for Const<627> {type Output = U627;
}impl ToUInt for Const<628> {type Output = U628;
}impl ToUInt for Const<629> {type Output = U629;
}impl ToUInt for Const<630> {type Output = U630;
}impl ToUInt for Const<631> {type Output = U631;
}impl ToUInt for Const<632> {type Output = U632;
}impl ToUInt for Const<633> {type Output = U633;
}impl ToUInt for Const<634> {type Output = U634;
}impl ToUInt for Const<635> {type Output = U635;
}impl ToUInt for Const<636> {type Output = U636;
}impl ToUInt for Const<637> {type Output = U637;
}impl ToUInt for Const<638> {type Output = U638;
}impl ToUInt for Const<639> {type Output = U639;
}impl ToUInt for Const<640> {type Output = U640;
}impl ToUInt for Const<641> {type Output = U641;
}impl ToUInt for Const<642> {type Output = U642;
}impl ToUInt for Const<643> {type Output = U643;
}impl ToUInt for Const<644> {type Output = U644;
}impl ToUInt for Const<645> {type Output = U645;
}impl ToUInt for Const<646> {type Output = U646;
}impl ToUInt for Const<647> {type Output = U647;
}impl ToUInt for Const<648> {type Output = U648;
}impl ToUInt for Const<649> {type Output = U649;
}impl ToUInt for Const<650> {type Output = U650;
}impl ToUInt for Const<651> {type Output = U651;
}impl ToUInt for Const<652> {type Output = U652;
}impl ToUInt for Const<653> {type Output = U653;
}impl ToUInt for Const<654> {type Output = U654;
}impl ToUInt for Const<655> {type Output = U655;
}impl ToUInt for Const<656> {type Output = U656;
}impl ToUInt for Const<657> {type Output = U657;
}impl ToUInt for Const<658> {type Output = U658;
}impl ToUInt for Const<659> {type Output = U659;
}impl ToUInt for Const<660> {type Output = U660;
}impl ToUInt for Const<661> {type Output = U661;
}impl ToUInt for Const<662> {type Output = U662;
}impl ToUInt for Const<663> {type Output = U663;
}impl ToUInt for Const<664> {type Output = U664;
}impl ToUInt for Const<665> {type Output = U665;
}impl ToUInt for Const<666> {type Output = U666;
}impl ToUInt for Const<667> {type Output = U667;
}impl ToUInt for Const<668> {type Output = U668;
}impl ToUInt for Const<669> {type Output = U669;
}impl ToUInt for Const<670> {type Output = U670;
}impl ToUInt for Const<671> {type Output = U671;
}impl ToUInt for Const<672> {type Output = U672;
}impl ToUInt for Const<673> {type Output = U673;
}impl ToUInt for Const<674> {type Output = U674;
}impl ToUInt for Const<675> {type Output = U675;
}impl ToUInt for Const<676> {type Output = U676;
}impl ToUInt for Const<677> {type Output = U677;
}impl ToUInt for Const<678> {type Output = U678;
}impl ToUInt for Const<679> {type Output = U679;
}impl ToUInt for Const<680> {type Output = U680;
}impl ToUInt for Const<681> {type Output = U681;
}impl ToUInt for Const<682> {type Output = U682;
}impl ToUInt for Const<683> {type Output = U683;
}impl ToUInt for Const<684> {type Output = U684;
}impl ToUInt for Const<685> {type Output = U685;
}impl ToUInt for Const<686> {type Output = U686;
}impl ToUInt for Const<687> {type Output = U687;
}impl ToUInt for Const<688> {type Output = U688;
}impl ToUInt for Const<689> {type Output = U689;
}impl ToUInt for Const<690> {type Output = U690;
}impl ToUInt for Const<691> {type Output = U691;
}impl ToUInt for Const<692> {type Output = U692;
}impl ToUInt for Const<693> {type Output = U693;
}impl ToUInt for Const<694> {type Output = U694;
}impl ToUInt for Const<695> {type Output = U695;
}impl ToUInt for Const<696> {type Output = U696;
}impl ToUInt for Const<697> {type Output = U697;
}impl ToUInt for Const<698> {type Output = U698;
}impl ToUInt for Const<699> {type Output = U699;
}impl ToUInt for Const<700> {type Output = U700;
}impl ToUInt for Const<701> {type Output = U701;
}impl ToUInt for Const<702> {type Output = U702;
}impl ToUInt for Const<703> {type Output = U703;
}impl ToUInt for Const<704> {type Output = U704;
}impl ToUInt for Const<705> {type Output = U705;
}impl ToUInt for Const<706> {type Output = U706;
}impl ToUInt for Const<707> {type Output = U707;
}impl ToUInt for Const<708> {type Output = U708;
}impl ToUInt for Const<709> {type Output = U709;
}impl ToUInt for Const<710> {type Output = U710;
}impl ToUInt for Const<711> {type Output = U711;
}impl ToUInt for Const<712> {type Output = U712;
}impl ToUInt for Const<713> {type Output = U713;
}impl ToUInt for Const<714> {type Output = U714;
}impl ToUInt for Const<715> {type Output = U715;
}impl ToUInt for Const<716> {type Output = U716;
}impl ToUInt for Const<717> {type Output = U717;
}impl ToUInt for Const<718> {type Output = U718;
}impl ToUInt for Const<719> {type Output = U719;
}impl ToUInt for Const<720> {type Output = U720;
}impl ToUInt for Const<721> {type Output = U721;
}impl ToUInt for Const<722> {type Output = U722;
}impl ToUInt for Const<723> {type Output = U723;
}impl ToUInt for Const<724> {type Output = U724;
}impl ToUInt for Const<725> {type Output = U725;
}impl ToUInt for Const<726> {type Output = U726;
}impl ToUInt for Const<727> {type Output = U727;
}impl ToUInt for Const<728> {type Output = U728;
}impl ToUInt for Const<729> {type Output = U729;
}impl ToUInt for Const<730> {type Output = U730;
}impl ToUInt for Const<731> {type Output = U731;
}impl ToUInt for Const<732> {type Output = U732;
}impl ToUInt for Const<733> {type Output = U733;
}impl ToUInt for Const<734> {type Output = U734;
}impl ToUInt for Const<735> {type Output = U735;
}impl ToUInt for Const<736> {type Output = U736;
}impl ToUInt for Const<737> {type Output = U737;
}impl ToUInt for Const<738> {type Output = U738;
}impl ToUInt for Const<739> {type Output = U739;
}impl ToUInt for Const<740> {type Output = U740;
}impl ToUInt for Const<741> {type Output = U741;
}impl ToUInt for Const<742> {type Output = U742;
}impl ToUInt for Const<743> {type Output = U743;
}impl ToUInt for Const<744> {type Output = U744;
}impl ToUInt for Const<745> {type Output = U745;
}impl ToUInt for Const<746> {type Output = U746;
}impl ToUInt for Const<747> {type Output = U747;
}impl ToUInt for Const<748> {type Output = U748;
}impl ToUInt for Const<749> {type Output = U749;
}impl ToUInt for Const<750> {type Output = U750;
}impl ToUInt for Const<751> {type Output = U751;
}impl ToUInt for Const<752> {type Output = U752;
}impl ToUInt for Const<753> {type Output = U753;
}impl ToUInt for Const<754> {type Output = U754;
}impl ToUInt for Const<755> {type Output = U755;
}impl ToUInt for Const<756> {type Output = U756;
}impl ToUInt for Const<757> {type Output = U757;
}impl ToUInt for Const<758> {type Output = U758;
}impl ToUInt for Const<759> {type Output = U759;
}impl ToUInt for Const<760> {type Output = U760;
}impl ToUInt for Const<761> {type Output = U761;
}impl ToUInt for Const<762> {type Output = U762;
}impl ToUInt for Const<763> {type Output = U763;
}impl ToUInt for Const<764> {type Output = U764;
}impl ToUInt for Const<765> {type Output = U765;
}impl ToUInt for Const<766> {type Output = U766;
}impl ToUInt for Const<767> {type Output = U767;
}impl ToUInt for Const<768> {type Output = U768;
}impl ToUInt for Const<769> {type Output = U769;
}impl ToUInt for Const<770> {type Output = U770;
}impl ToUInt for Const<771> {type Output = U771;
}impl ToUInt for Const<772> {type Output = U772;
}impl ToUInt for Const<773> {type Output = U773;
}impl ToUInt for Const<774> {type Output = U774;
}impl ToUInt for Const<775> {type Output = U775;
}impl ToUInt for Const<776> {type Output = U776;
}impl ToUInt for Const<777> {type Output = U777;
}impl ToUInt for Const<778> {type Output = U778;
}impl ToUInt for Const<779> {type Output = U779;
}impl ToUInt for Const<780> {type Output = U780;
}impl ToUInt for Const<781> {type Output = U781;
}impl ToUInt for Const<782> {type Output = U782;
}impl ToUInt for Const<783> {type Output = U783;
}impl ToUInt for Const<784> {type Output = U784;
}impl ToUInt for Const<785> {type Output = U785;
}impl ToUInt for Const<786> {type Output = U786;
}impl ToUInt for Const<787> {type Output = U787;
}impl ToUInt for Const<788> {type Output = U788;
}impl ToUInt for Const<789> {type Output = U789;
}impl ToUInt for Const<790> {type Output = U790;
}impl ToUInt for Const<791> {type Output = U791;
}impl ToUInt for Const<792> {type Output = U792;
}impl ToUInt for Const<793> {type Output = U793;
}impl ToUInt for Const<794> {type Output = U794;
}impl ToUInt for Const<795> {type Output = U795;
}impl ToUInt for Const<796> {type Output = U796;
}impl ToUInt for Const<797> {type Output = U797;
}impl ToUInt for Const<798> {type Output = U798;
}impl ToUInt for Const<799> {type Output = U799;
}impl ToUInt for Const<800> {type Output = U800;
}impl ToUInt for Const<801> {type Output = U801;
}impl ToUInt for Const<802> {type Output = U802;
}impl ToUInt for Const<803> {type Output = U803;
}impl ToUInt for Const<804> {type Output = U804;
}impl ToUInt for Const<805> {type Output = U805;
}impl ToUInt for Const<806> {type Output = U806;
}impl ToUInt for Const<807> {type Output = U807;
}impl ToUInt for Const<808> {type Output = U808;
}impl ToUInt for Const<809> {type Output = U809;
}impl ToUInt for Const<810> {type Output = U810;
}impl ToUInt for Const<811> {type Output = U811;
}impl ToUInt for Const<812> {type Output = U812;
}impl ToUInt for Const<813> {type Output = U813;
}impl ToUInt for Const<814> {type Output = U814;
}impl ToUInt for Const<815> {type Output = U815;
}impl ToUInt for Const<816> {type Output = U816;
}impl ToUInt for Const<817> {type Output = U817;
}impl ToUInt for Const<818> {type Output = U818;
}impl ToUInt for Const<819> {type Output = U819;
}impl ToUInt for Const<820> {type Output = U820;
}impl ToUInt for Const<821> {type Output = U821;
}impl ToUInt for Const<822> {type Output = U822;
}impl ToUInt for Const<823> {type Output = U823;
}impl ToUInt for Const<824> {type Output = U824;
}impl ToUInt for Const<825> {type Output = U825;
}impl ToUInt for Const<826> {type Output = U826;
}impl ToUInt for Const<827> {type Output = U827;
}impl ToUInt for Const<828> {type Output = U828;
}impl ToUInt for Const<829> {type Output = U829;
}impl ToUInt for Const<830> {type Output = U830;
}impl ToUInt for Const<831> {type Output = U831;
}impl ToUInt for Const<832> {type Output = U832;
}impl ToUInt for Const<833> {type Output = U833;
}impl ToUInt for Const<834> {type Output = U834;
}impl ToUInt for Const<835> {type Output = U835;
}impl ToUInt for Const<836> {type Output = U836;
}impl ToUInt for Const<837> {type Output = U837;
}impl ToUInt for Const<838> {type Output = U838;
}impl ToUInt for Const<839> {type Output = U839;
}impl ToUInt for Const<840> {type Output = U840;
}impl ToUInt for Const<841> {type Output = U841;
}impl ToUInt for Const<842> {type Output = U842;
}impl ToUInt for Const<843> {type Output = U843;
}impl ToUInt for Const<844> {type Output = U844;
}impl ToUInt for Const<845> {type Output = U845;
}impl ToUInt for Const<846> {type Output = U846;
}impl ToUInt for Const<847> {type Output = U847;
}impl ToUInt for Const<848> {type Output = U848;
}impl ToUInt for Const<849> {type Output = U849;
}impl ToUInt for Const<850> {type Output = U850;
}impl ToUInt for Const<851> {type Output = U851;
}impl ToUInt for Const<852> {type Output = U852;
}impl ToUInt for Const<853> {type Output = U853;
}impl ToUInt for Const<854> {type Output = U854;
}impl ToUInt for Const<855> {type Output = U855;
}impl ToUInt for Const<856> {type Output = U856;
}impl ToUInt for Const<857> {type Output = U857;
}impl ToUInt for Const<858> {type Output = U858;
}impl ToUInt for Const<859> {type Output = U859;
}impl ToUInt for Const<860> {type Output = U860;
}impl ToUInt for Const<861> {type Output = U861;
}impl ToUInt for Const<862> {type Output = U862;
}impl ToUInt for Const<863> {type Output = U863;
}impl ToUInt for Const<864> {type Output = U864;
}impl ToUInt for Const<865> {type Output = U865;
}impl ToUInt for Const<866> {type Output = U866;
}impl ToUInt for Const<867> {type Output = U867;
}impl ToUInt for Const<868> {type Output = U868;
}impl ToUInt for Const<869> {type Output = U869;
}impl ToUInt for Const<870> {type Output = U870;
}impl ToUInt for Const<871> {type Output = U871;
}impl ToUInt for Const<872> {type Output = U872;
}impl ToUInt for Const<873> {type Output = U873;
}impl ToUInt for Const<874> {type Output = U874;
}impl ToUInt for Const<875> {type Output = U875;
}impl ToUInt for Const<876> {type Output = U876;
}impl ToUInt for Const<877> {type Output = U877;
}impl ToUInt for Const<878> {type Output = U878;
}impl ToUInt for Const<879> {type Output = U879;
}impl ToUInt for Const<880> {type Output = U880;
}impl ToUInt for Const<881> {type Output = U881;
}impl ToUInt for Const<882> {type Output = U882;
}impl ToUInt for Const<883> {type Output = U883;
}impl ToUInt for Const<884> {type Output = U884;
}impl ToUInt for Const<885> {type Output = U885;
}impl ToUInt for Const<886> {type Output = U886;
}impl ToUInt for Const<887> {type Output = U887;
}impl ToUInt for Const<888> {type Output = U888;
}impl ToUInt for Const<889> {type Output = U889;
}impl ToUInt for Const<890> {type Output = U890;
}impl ToUInt for Const<891> {type Output = U891;
}impl ToUInt for Const<892> {type Output = U892;
}impl ToUInt for Const<893> {type Output = U893;
}impl ToUInt for Const<894> {type Output = U894;
}impl ToUInt for Const<895> {type Output = U895;
}impl ToUInt for Const<896> {type Output = U896;
}impl ToUInt for Const<897> {type Output = U897;
}impl ToUInt for Const<898> {type Output = U898;
}impl ToUInt for Const<899> {type Output = U899;
}impl ToUInt for Const<900> {type Output = U900;
}impl ToUInt for Const<901> {type Output = U901;
}impl ToUInt for Const<902> {type Output = U902;
}impl ToUInt for Const<903> {type Output = U903;
}impl ToUInt for Const<904> {type Output = U904;
}impl ToUInt for Const<905> {type Output = U905;
}impl ToUInt for Const<906> {type Output = U906;
}impl ToUInt for Const<907> {type Output = U907;
}impl ToUInt for Const<908> {type Output = U908;
}impl ToUInt for Const<909> {type Output = U909;
}impl ToUInt for Const<910> {type Output = U910;
}impl ToUInt for Const<911> {type Output = U911;
}impl ToUInt for Const<912> {type Output = U912;
}impl ToUInt for Const<913> {type Output = U913;
}impl ToUInt for Const<914> {type Output = U914;
}impl ToUInt for Const<915> {type Output = U915;
}impl ToUInt for Const<916> {type Output = U916;
}impl ToUInt for Const<917> {type Output = U917;
}impl ToUInt for Const<918> {type Output = U918;
}impl ToUInt for Const<919> {type Output = U919;
}impl ToUInt for Const<920> {type Output = U920;
}impl ToUInt for Const<921> {type Output = U921;
}impl ToUInt for Const<922> {type Output = U922;
}impl ToUInt for Const<923> {type Output = U923;
}impl ToUInt for Const<924> {type Output = U924;
}impl ToUInt for Const<925> {type Output = U925;
}impl ToUInt for Const<926> {type Output = U926;
}impl ToUInt for Const<927> {type Output = U927;
}impl ToUInt for Const<928> {type Output = U928;
}impl ToUInt for Const<929> {type Output = U929;
}impl ToUInt for Const<930> {type Output = U930;
}impl ToUInt for Const<931> {type Output = U931;
}impl ToUInt for Const<932> {type Output = U932;
}impl ToUInt for Const<933> {type Output = U933;
}impl ToUInt for Const<934> {type Output = U934;
}impl ToUInt for Const<935> {type Output = U935;
}impl ToUInt for Const<936> {type Output = U936;
}impl ToUInt for Const<937> {type Output = U937;
}impl ToUInt for Const<938> {type Output = U938;
}impl ToUInt for Const<939> {type Output = U939;
}impl ToUInt for Const<940> {type Output = U940;
}impl ToUInt for Const<941> {type Output = U941;
}impl ToUInt for Const<942> {type Output = U942;
}impl ToUInt for Const<943> {type Output = U943;
}impl ToUInt for Const<944> {type Output = U944;
}impl ToUInt for Const<945> {type Output = U945;
}impl ToUInt for Const<946> {type Output = U946;
}impl ToUInt for Const<947> {type Output = U947;
}impl ToUInt for Const<948> {type Output = U948;
}impl ToUInt for Const<949> {type Output = U949;
}impl ToUInt for Const<950> {type Output = U950;
}impl ToUInt for Const<951> {type Output = U951;
}impl ToUInt for Const<952> {type Output = U952;
}impl ToUInt for Const<953> {type Output = U953;
}impl ToUInt for Const<954> {type Output = U954;
}impl ToUInt for Const<955> {type Output = U955;
}impl ToUInt for Const<956> {type Output = U956;
}impl ToUInt for Const<957> {type Output = U957;
}impl ToUInt for Const<958> {type Output = U958;
}impl ToUInt for Const<959> {type Output = U959;
}impl ToUInt for Const<960> {type Output = U960;
}impl ToUInt for Const<961> {type Output = U961;
}impl ToUInt for Const<962> {type Output = U962;
}impl ToUInt for Const<963> {type Output = U963;
}impl ToUInt for Const<964> {type Output = U964;
}impl ToUInt for Const<965> {type Output = U965;
}impl ToUInt for Const<966> {type Output = U966;
}impl ToUInt for Const<967> {type Output = U967;
}impl ToUInt for Const<968> {type Output = U968;
}impl ToUInt for Const<969> {type Output = U969;
}impl ToUInt for Const<970> {type Output = U970;
}impl ToUInt for Const<971> {type Output = U971;
}impl ToUInt for Const<972> {type Output = U972;
}impl ToUInt for Const<973> {type Output = U973;
}impl ToUInt for Const<974> {type Output = U974;
}impl ToUInt for Const<975> {type Output = U975;
}impl ToUInt for Const<976> {type Output = U976;
}impl ToUInt for Const<977> {type Output = U977;
}impl ToUInt for Const<978> {type Output = U978;
}impl ToUInt for Const<979> {type Output = U979;
}impl ToUInt for Const<980> {type Output = U980;
}impl ToUInt for Const<981> {type Output = U981;
}impl ToUInt for Const<982> {type Output = U982;
}impl ToUInt for Const<983> {type Output = U983;
}impl ToUInt for Const<984> {type Output = U984;
}impl ToUInt for Const<985> {type Output = U985;
}impl ToUInt for Const<986> {type Output = U986;
}impl ToUInt for Const<987> {type Output = U987;
}impl ToUInt for Const<988> {type Output = U988;
}impl ToUInt for Const<989> {type Output = U989;
}impl ToUInt for Const<990> {type Output = U990;
}impl ToUInt for Const<991> {type Output = U991;
}impl ToUInt for Const<992> {type Output = U992;
}impl ToUInt for Const<993> {type Output = U993;
}impl ToUInt for Const<994> {type Output = U994;
}impl ToUInt for Const<995> {type Output = U995;
}impl ToUInt for Const<996> {type Output = U996;
}impl ToUInt for Const<997> {type Output = U997;
}impl ToUInt for Const<998> {type Output = U998;
}impl ToUInt for Const<999> {type Output = U999;
}impl ToUInt for Const<1000> {type Output = U1000;
}impl ToUInt for Const<1001> {type Output = U1001;
}impl ToUInt for Const<1002> {type Output = U1002;
}impl ToUInt for Const<1003> {type Output = U1003;
}impl ToUInt for Const<1004> {type Output = U1004;
}impl ToUInt for Const<1005> {type Output = U1005;
}impl ToUInt for Const<1006> {type Output = U1006;
}impl ToUInt for Const<1007> {type Output = U1007;
}impl ToUInt for Const<1008> {type Output = U1008;
}impl ToUInt for Const<1009> {type Output = U1009;
}impl ToUInt for Const<1010> {type Output = U1010;
}impl ToUInt for Const<1011> {type Output = U1011;
}impl ToUInt for Const<1012> {type Output = U1012;
}impl ToUInt for Const<1013> {type Output = U1013;
}impl ToUInt for Const<1014> {type Output = U1014;
}impl ToUInt for Const<1015> {type Output = U1015;
}impl ToUInt for Const<1016> {type Output = U1016;
}impl ToUInt for Const<1017> {type Output = U1017;
}impl ToUInt for Const<1018> {type Output = U1018;
}impl ToUInt for Const<1019> {type Output = U1019;
}impl ToUInt for Const<1020> {type Output = U1020;
}impl ToUInt for Const<1021> {type Output = U1021;
}impl ToUInt for Const<1022> {type Output = U1022;
}impl ToUInt for Const<1023> {type Output = U1023;
}impl ToUInt for Const<1024> {type Output = U1024;
}impl ToUInt for Const<3600> {type Output = U3600;
}impl ToUInt for Const<2048> {type Output = U2048;
}impl ToUInt for Const<4096> {type Output = U4096;
}impl ToUInt for Const<8192> {type Output = U8192;
}impl ToUInt for Const<16384> {type Output = U16384;
}impl ToUInt for Const<32768> {type Output = U32768;
}impl ToUInt for Const<65536> {type Output = U65536;
}impl ToUInt for Const<131072> {type Output = U131072;
}impl ToUInt for Const<262144> {type Output = U262144;
}impl ToUInt for Const<524288> {type Output = U524288;
}impl ToUInt for Const<1048576> {type Output = U1048576;
}impl ToUInt for Const<2097152> {type Output = U2097152;
}impl ToUInt for Const<4194304> {type Output = U4194304;
}impl ToUInt for Const<8388608> {type Output = U8388608;
}impl ToUInt for Const<16777216> {type Output = U16777216;
}impl ToUInt for Const<33554432> {type Output = U33554432;
}impl ToUInt for Const<67108864> {type Output = U67108864;
}impl ToUInt for Const<134217728> {type Output = U134217728;
}impl ToUInt for Const<268435456> {type Output = U268435456;
}impl ToUInt for Const<536870912> {type Output = U536870912;
}impl ToUInt for Const<1073741824> {type Output = U1073741824;
}impl ToUInt for Const<2147483648> {type Output = U2147483648;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<4294967296> {type Output = U4294967296;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<8589934592> {type Output = U8589934592;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<17179869184> {type Output = U17179869184;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<34359738368> {type Output = U34359738368;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<68719476736> {type Output = U68719476736;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<137438953472> {type Output = U137438953472;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<274877906944> {type Output = U274877906944;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<549755813888> {type Output = U549755813888;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<1099511627776> {type Output = U1099511627776;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<2199023255552> {type Output = U2199023255552;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<4398046511104> {type Output = U4398046511104;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<8796093022208> {type Output = U8796093022208;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<17592186044416> {type Output = U17592186044416;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<35184372088832> {type Output = U35184372088832;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<70368744177664> {type Output = U70368744177664;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<140737488355328> {type Output = U140737488355328;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<281474976710656> {type Output = U281474976710656;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<562949953421312> {type Output = U562949953421312;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<1125899906842624> {type Output = U1125899906842624;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<2251799813685248> {type Output = U2251799813685248;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<4503599627370496> {type Output = U4503599627370496;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<9007199254740992> {type Output = U9007199254740992;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<18014398509481984> {type Output = U18014398509481984;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<36028797018963968> {type Output = U36028797018963968;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<72057594037927936> {type Output = U72057594037927936;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<144115188075855872> {type Output = U144115188075855872;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<288230376151711744> {type Output = U288230376151711744;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<576460752303423488> {type Output = U576460752303423488;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<1152921504606846976> {type Output = U1152921504606846976;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<2305843009213693952> {type Output = U2305843009213693952;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<4611686018427387904> {type Output = U4611686018427387904;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<9223372036854775808> {type Output = U9223372036854775808;
}impl ToUInt for Const<10000> {type Output = U10000;
}impl ToUInt for Const<100000> {type Output = U100000;
}impl ToUInt for Const<1000000> {type Output = U1000000;
}impl ToUInt for Const<10000000> {type Output = U10000000;
}impl ToUInt for Const<100000000> {type Output = U100000000;
}impl ToUInt for Const<1000000000> {type Output = U1000000000;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<10000000000> {type Output = U10000000000;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<100000000000> {type Output = U100000000000;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<1000000000000> {type Output = U1000000000000;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<10000000000000> {type Output = U10000000000000;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<100000000000000> {type Output = U100000000000000;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<1000000000000000> {type Output = U1000000000000000;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<10000000000000000> {type Output = U10000000000000000;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<100000000000000000> {type Output = U100000000000000000;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<1000000000000000000> {type Output = U1000000000000000000;
}#[cfg(target_pointer_width = "64")]
impl ToUInt for Const<10000000000000000000> {type Output = U10000000000000000000;
}

二、代码的核心作用

这段代码的主要目的是桥接 Rust 的 const 泛型（const N: usize）和 typenum 的类型级数字（如 U42），使得开发者可以：

用 U 直接表示一个编译时常量数字（如 U<42> 等价于 U42）。
在泛型编程中，既能使用 const 泛型，又能利用 typenum 的类型计算能力。

三、关键组件解析

(1) U 类型别名

pub type U<const N: usize> = <Const<N> as ToUInt>::Output;

作用：将 const 泛型参数 N 映射到对应的 typenum 类型（如 U42）。
示例：

let _: U<42> = U42; // U<42> 和 U42 是等价的类型

(2) Const 结构体

pub struct Const<const N: usize>;

作用：包装一个 const 泛型 N，用于实现 ToUInt trait。
为什么需要它？
Rust 不允许直接为 usize 实现 trait（孤儿规则），所以需要通过 Const 作为中介。

(3) ToUInt Trait

pub trait ToUInt {type Output; // 关联类型，指向具体的 U* 类型（如 U42）
}

作用：定义如何将 Const 转换为对应的 typenum 类型（如 U42）。
实现示例：

impl ToUInt for Const<42> {type Output = U42; // 将 Const<42> 映射到 U42
}

(4) 海量的 impl ToUInt 实现

代码中包含了成百上千个 impl ToUInt for Const，覆盖了常见数字：

从 0 到 1024（如 U0, U1, …, U1024）。
常见大数（如 3600, 2048, 4096）。
64 位系统特有的大数（如 4294967296，即 2^32）。
十进制大数（如 10000, 1000000）。

这些实现是通过脚本生成的（代码顶部标注了 THIS IS GENERATED CODE），而非手动编写。

四、为什么需要这种设计？

(1) 兼容 const 泛型

Rust 的 const 泛型（const N: usize）允许在编译期传递常量值，但功能有限：

不能直接用于复杂的类型计算（如加法、比较等）。
typenum 的类型级数字（如 U42）支持丰富的编译时计算（如 Add）。

通过 U，开发者可以：

用 const N: usize 声明泛型参数。
在需要时转换为 typenum 类型进行运算。

(2) 示例场景

use typenum::*;// 定义一个泛型结构体，使用 const 泛型
struct ArrayWrapper<const N: usize> where Const<N>: ToUInt {data: [u8; N],
}impl<const N: usize> ArrayWrapper<N> 
whereConst<N>: ToUInt,U<N>: Add<U1>, // 可以调用 typenum 的加法
{fn new() -> Self {ArrayWrapper { data: [0; N] }}fn size_plus_one(&self) -> usize {N + 1 // 编译期计算}
}let arr = ArrayWrapper::<42>::new();
assert_eq!(arr.size_plus_one(), 43);

五、关键特性

(1) 编译时类型安全

所有计算在编译期完成，无运行时开销。
如果操作不合法（如溢出），会直接导致编译错误。

(2) 支持大数

根据目标平台（32/64 位）提供不同的实现。
例如，Const<4294967296> 仅在 64 位系统上有效。

(3) 与 typenum 无缝集成

U 可以和其他 typenum 类型（如 U3, U1024）混合使用。
支持 typenum 的所有操作（如加法、乘法、比较等）。

六、限制

需要启用 const-generics 特性：
代码开头注明需启用该特性（Rust 1.51+ 默认支持）。
数值范围有限：
虽然支持大数，但超出 typenum 定义范围的数字会编译失败。
生成代码冗长：
手动维护这些 impl 不现实，因此依赖代码生成。

七、总结

这段代码是 typenum 为了适配 Rust const 泛型而设计的桥梁层，核心思想是：

用 Const 包装 const 泛型参数。
通过 ToUInt trait 将其映射到 typenum 的具体类型（如 U42）。
最终通过 U 提供类型安全的编译时计算。

这种设计既保留了 const 泛型的简洁性，又能利用 typenum 强大的类型级计算能力。

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