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39 lines
672 B
Rust
39 lines
672 B
Rust
//@ build-pass
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// Regression test for #56870: Internal compiler error (traits & associated consts)
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use std::fmt::Debug;
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pub trait Foo<T> {
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const FOO: *const u8;
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}
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impl <T: Debug> Foo<T> for dyn Debug {
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const FOO: *const u8 = <T as Debug>::fmt as *const u8;
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}
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pub trait Bar {
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const BAR: *const u8;
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}
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pub trait Baz {
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type Data: Debug;
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}
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pub struct BarStruct<S: Baz>(S);
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impl<S: Baz> Bar for BarStruct<S> {
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const BAR: *const u8 = <dyn Debug as Foo<<S as Baz>::Data>>::FOO;
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}
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struct AnotherStruct;
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#[derive(Debug)]
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struct SomeStruct;
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impl Baz for AnotherStruct {
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type Data = SomeStruct;
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}
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fn main() {
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let _x = <BarStruct<AnotherStruct> as Bar>::BAR;
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}
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