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57 lines
2.6 KiB
Rust
57 lines
2.6 KiB
Rust
#![feature(associated_type_defaults)]
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trait Tr {
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type Y = u16;
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fn Y() {}
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}
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impl Tr for u8 {}
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trait Dr {
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type X = u16;
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fn Z() {}
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}
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impl Dr for u8 {}
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enum E { Y }
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type A = u32;
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fn main() {
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let _: <u8 as Tr>::N; //~ ERROR cannot find associated type `N` in trait `Tr`
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let _: <u8 as E>::N; //~ ERROR expected trait, found enum `E`
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let _: <u8 as A>::N; //~ ERROR expected trait, found type alias `A`
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<u8 as Tr>::N; //~ ERROR cannot find method or associated constant `N` in trait `Tr`
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<u8 as E>::N; //~ ERROR expected trait, found enum `E`
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<u8 as A>::N; //~ ERROR expected trait, found type alias `A`
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let _: <u8 as Tr>::Y; // OK
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let _: <u8 as E>::Y; //~ ERROR expected trait, found enum `E`
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<u8 as Tr>::Y; // OK
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<u8 as E>::Y; //~ ERROR expected trait, found enum `E`
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let _: <u8 as Tr>::N::NN; //~ ERROR cannot find associated type `N` in trait `Tr`
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let _: <u8 as E>::N::NN; //~ ERROR expected trait, found enum `E`
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let _: <u8 as A>::N::NN; //~ ERROR expected trait, found type alias `A`
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<u8 as Tr>::N::NN; //~ ERROR cannot find associated type `N` in trait `Tr`
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<u8 as E>::N::NN; //~ ERROR expected trait, found enum `E`
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<u8 as A>::N::NN; //~ ERROR expected trait, found type alias `A`
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let _: <u8 as Tr>::Y::NN; //~ ERROR ambiguous associated type
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let _: <u8 as E>::Y::NN; //~ ERROR expected trait, found enum `E`
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<u8 as Tr>::Y::NN; //~ ERROR no associated item named `NN` found for type `u16`
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<u8 as E>::Y::NN; //~ ERROR expected trait, found enum `E`
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let _: <u8 as Tr::N>::NN; //~ ERROR cannot find trait `N` in trait `Tr`
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let _: <u8 as E::N>::NN; //~ ERROR cannot find trait `N` in enum `E`
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let _: <u8 as A::N>::NN; //~ ERROR cannot find trait `N` in `A`
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<u8 as Tr::N>::NN; //~ ERROR cannot find trait `N` in trait `Tr`
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<u8 as E::N>::NN; //~ ERROR cannot find trait `N` in enum `E`
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<u8 as A::N>::NN; //~ ERROR cannot find trait `N` in `A`
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let _: <u8 as Tr::Y>::NN; //~ ERROR expected trait, found associated type `Tr::Y
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let _: <u8 as E::Y>::NN; //~ ERROR expected trait, found variant `E::Y`
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<u8 as Tr::Y>::NN; //~ ERROR expected trait, found associated type `Tr::Y`
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<u8 as E::Y>::NN; //~ ERROR expected trait, found variant `E::Y`
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let _: <u8 as Dr>::Z; //~ ERROR expected associated type, found associated function `Dr::Z`
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<u8 as Dr>::X; //~ ERROR expected method or associated constant, found associated type `Dr::X`
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let _: <u8 as Dr>::Z::N; //~ ERROR expected associated type, found associated function `Dr::Z`
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<u8 as Dr>::X::N; //~ ERROR no associated item named `N` found for type `u16`
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}
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