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exhaustively enumerate all values of a const param
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‎src/test/ui/const-generics/exhaustive-value.full.stderr

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error[E0277]: the trait bound `(): Foo<N>` is not satisfied
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--> $DIR/exhaustive-value.rs:267:5
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|
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LL | fn test() {}
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| --------- required by `Foo::test`
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...
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LL | <() as Foo<N>>::test()
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| ^^^^^^^^^^^^^^^^^^^^ the trait `Foo<N>` is not implemented for `()`
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|
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= help: the following implementations were found:
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<() as Foo<0_u8>>
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<() as Foo<100_u8>>
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<() as Foo<101_u8>>
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<() as Foo<102_u8>>
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and 252 others
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error: aborting due to previous error
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For more information about this error, try `rustc --explain E0277`.

‎src/test/ui/const-generics/exhaustive-value.min.stderr

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error[E0277]: the trait bound `(): Foo<N>` is not satisfied
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--> $DIR/exhaustive-value.rs:267:5
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|
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LL | fn test() {}
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| --------- required by `Foo::test`
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...
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LL | <() as Foo<N>>::test()
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| ^^^^^^^^^^^^^^^^^^^^ the trait `Foo<N>` is not implemented for `()`
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|
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= help: the following implementations were found:
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<() as Foo<0_u8>>
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<() as Foo<100_u8>>
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<() as Foo<101_u8>>
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<() as Foo<102_u8>>
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and 252 others
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error: aborting due to previous error
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For more information about this error, try `rustc --explain E0277`.

‎src/test/ui/const-generics/exhaustive-value.rs

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// revisions: full min
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#![cfg_attr(full, feature(const_generics))]
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#![cfg_attr(full, allow(incomplete_features))]
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#![cfg_attr(min, feature(min_const_generics))]
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trait Foo<const N: u8> {
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fn test() {}
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}
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impl Foo<0> for () {}
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impl Foo<1> for () {}
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impl Foo<2> for () {}
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impl Foo<3> for () {}
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impl Foo<4> for () {}
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impl Foo<5> for () {}
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impl Foo<6> for () {}
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impl Foo<7> for () {}
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impl Foo<8> for () {}
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impl Foo<9> for () {}
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impl Foo<10> for () {}
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impl Foo<11> for () {}
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impl Foo<12> for () {}
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impl Foo<13> for () {}
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impl Foo<14> for () {}
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impl Foo<15> for () {}
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impl Foo<16> for () {}
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impl Foo<17> for () {}
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impl Foo<18> for () {}
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impl Foo<19> for () {}
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impl Foo<20> for () {}
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impl Foo<21> for () {}
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impl Foo<22> for () {}
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impl Foo<23> for () {}
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impl Foo<24> for () {}
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impl Foo<25> for () {}
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impl Foo<26> for () {}
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impl Foo<27> for () {}
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impl Foo<28> for () {}
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impl Foo<29> for () {}
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impl Foo<30> for () {}
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impl Foo<31> for () {}
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impl Foo<32> for () {}
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impl Foo<33> for () {}
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impl Foo<34> for () {}
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impl Foo<35> for () {}
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impl Foo<36> for () {}
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impl Foo<37> for () {}
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impl Foo<38> for () {}
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impl Foo<39> for () {}
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impl Foo<40> for () {}
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impl Foo<41> for () {}
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impl Foo<42> for () {}
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impl Foo<43> for () {}
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impl Foo<44> for () {}
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impl Foo<45> for () {}
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impl Foo<46> for () {}
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impl Foo<47> for () {}
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impl Foo<48> for () {}
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impl Foo<49> for () {}
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impl Foo<50> for () {}
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impl Foo<51> for () {}
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impl Foo<52> for () {}
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impl Foo<53> for () {}
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impl Foo<54> for () {}
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impl Foo<55> for () {}
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impl Foo<56> for () {}
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impl Foo<57> for () {}
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impl Foo<58> for () {}
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impl Foo<59> for () {}
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impl Foo<60> for () {}
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impl Foo<61> for () {}
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impl Foo<62> for () {}
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impl Foo<63> for () {}
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impl Foo<64> for () {}
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impl Foo<65> for () {}
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impl Foo<66> for () {}
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impl Foo<67> for () {}
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impl Foo<68> for () {}
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impl Foo<69> for () {}
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impl Foo<70> for () {}
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impl Foo<71> for () {}
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impl Foo<72> for () {}
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impl Foo<73> for () {}
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impl Foo<74> for () {}
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impl Foo<75> for () {}
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impl Foo<76> for () {}
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impl Foo<77> for () {}
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impl Foo<78> for () {}
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impl Foo<79> for () {}
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impl Foo<80> for () {}
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impl Foo<81> for () {}
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impl Foo<82> for () {}
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impl Foo<83> for () {}
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impl Foo<84> for () {}
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impl Foo<85> for () {}
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impl Foo<86> for () {}
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impl Foo<87> for () {}
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impl Foo<88> for () {}
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impl Foo<89> for () {}
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impl Foo<90> for () {}
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impl Foo<91> for () {}
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impl Foo<92> for () {}
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impl Foo<93> for () {}
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impl Foo<94> for () {}
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impl Foo<95> for () {}
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impl Foo<96> for () {}
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impl Foo<97> for () {}
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impl Foo<98> for () {}
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impl Foo<99> for () {}
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impl Foo<100> for () {}
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impl Foo<101> for () {}
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impl Foo<102> for () {}
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impl Foo<103> for () {}
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impl Foo<104> for () {}
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impl Foo<105> for () {}
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impl Foo<106> for () {}
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impl Foo<107> for () {}
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impl Foo<108> for () {}
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impl Foo<109> for () {}
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impl Foo<110> for () {}
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impl Foo<111> for () {}
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impl Foo<112> for () {}
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impl Foo<113> for () {}
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impl Foo<114> for () {}
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impl Foo<115> for () {}
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impl Foo<116> for () {}
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impl Foo<117> for () {}
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impl Foo<118> for () {}
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impl Foo<119> for () {}
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impl Foo<120> for () {}
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impl Foo<121> for () {}
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impl Foo<122> for () {}
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impl Foo<123> for () {}
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impl Foo<124> for () {}
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impl Foo<125> for () {}
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impl Foo<126> for () {}
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impl Foo<127> for () {}
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impl Foo<128> for () {}
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impl Foo<129> for () {}
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impl Foo<130> for () {}
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impl Foo<131> for () {}
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impl Foo<132> for () {}
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impl Foo<133> for () {}
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impl Foo<134> for () {}
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impl Foo<135> for () {}
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impl Foo<136> for () {}
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impl Foo<137> for () {}
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impl Foo<138> for () {}
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impl Foo<139> for () {}
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impl Foo<140> for () {}
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impl Foo<141> for () {}
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impl Foo<142> for () {}
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impl Foo<143> for () {}
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impl Foo<144> for () {}
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impl Foo<145> for () {}
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impl Foo<146> for () {}
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impl Foo<147> for () {}
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impl Foo<148> for () {}
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impl Foo<149> for () {}
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impl Foo<150> for () {}
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impl Foo<151> for () {}
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impl Foo<152> for () {}
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impl Foo<153> for () {}
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impl Foo<154> for () {}
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impl Foo<155> for () {}
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impl Foo<156> for () {}
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impl Foo<157> for () {}
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impl Foo<158> for () {}
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impl Foo<159> for () {}
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impl Foo<160> for () {}
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impl Foo<161> for () {}
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impl Foo<162> for () {}
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impl Foo<163> for () {}
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impl Foo<164> for () {}
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impl Foo<165> for () {}
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impl Foo<166> for () {}
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impl Foo<167> for () {}
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impl Foo<168> for () {}
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impl Foo<169> for () {}
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impl Foo<170> for () {}
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impl Foo<171> for () {}
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impl Foo<172> for () {}
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impl Foo<173> for () {}
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impl Foo<174> for () {}
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impl Foo<175> for () {}
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impl Foo<176> for () {}
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impl Foo<177> for () {}
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impl Foo<178> for () {}
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impl Foo<179> for () {}
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impl Foo<180> for () {}
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impl Foo<181> for () {}
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impl Foo<182> for () {}
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impl Foo<183> for () {}
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impl Foo<184> for () {}
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impl Foo<185> for () {}
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impl Foo<186> for () {}
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impl Foo<187> for () {}
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impl Foo<188> for () {}
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impl Foo<189> for () {}
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impl Foo<190> for () {}
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impl Foo<191> for () {}
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impl Foo<192> for () {}
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impl Foo<193> for () {}
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impl Foo<194> for () {}
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impl Foo<195> for () {}
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impl Foo<196> for () {}
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impl Foo<197> for () {}
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impl Foo<198> for () {}
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impl Foo<199> for () {}
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impl Foo<200> for () {}
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impl Foo<201> for () {}
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impl Foo<202> for () {}
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impl Foo<203> for () {}
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impl Foo<204> for () {}
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impl Foo<205> for () {}
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impl Foo<206> for () {}
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impl Foo<207> for () {}
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impl Foo<208> for () {}
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impl Foo<209> for () {}
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impl Foo<210> for () {}
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impl Foo<211> for () {}
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impl Foo<212> for () {}
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impl Foo<213> for () {}
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impl Foo<214> for () {}
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impl Foo<215> for () {}
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impl Foo<216> for () {}
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impl Foo<217> for () {}
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impl Foo<218> for () {}
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impl Foo<219> for () {}
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impl Foo<220> for () {}
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impl Foo<221> for () {}
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impl Foo<222> for () {}
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impl Foo<223> for () {}
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impl Foo<224> for () {}
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impl Foo<225> for () {}
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impl Foo<226> for () {}
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impl Foo<227> for () {}
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impl Foo<228> for () {}
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impl Foo<229> for () {}
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impl Foo<230> for () {}
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impl Foo<231> for () {}
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impl Foo<232> for () {}
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impl Foo<233> for () {}
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impl Foo<234> for () {}
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impl Foo<235> for () {}
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impl Foo<236> for () {}
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impl Foo<237> for () {}
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impl Foo<238> for () {}
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impl Foo<239> for () {}
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impl Foo<240> for () {}
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impl Foo<241> for () {}
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impl Foo<242> for () {}
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impl Foo<243> for () {}
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impl Foo<244> for () {}
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impl Foo<245> for () {}
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impl Foo<246> for () {}
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impl Foo<247> for () {}
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impl Foo<248> for () {}
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impl Foo<249> for () {}
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impl Foo<250> for () {}
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impl Foo<251> for () {}
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impl Foo<252> for () {}
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impl Foo<253> for () {}
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impl Foo<254> for () {}
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impl Foo<255> for () {}
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fn foo<const N: u8>() {
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<() as Foo<N>>::test() //~ ERROR the trait bound `(): Foo<N>`
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}
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fn main() {
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foo::<7>();
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}

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