22 lines
476 B
Rust
22 lines
476 B
Rust
#![feature(const_trait_impl)]
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// revisions: yy yn ny nn
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//[yy] check-pass
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#[cfg_attr(any(yy, yn), const_trait)]
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trait Foo {
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fn a(&self);
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}
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#[cfg_attr(any(yy, ny), const_trait)]
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trait Bar: ~const Foo {}
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//[ny,nn]~^ ERROR: ~const can only be applied to `#[const_trait]`
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//[ny,nn]~| ERROR: ~const can only be applied to `#[const_trait]`
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const fn foo<T: ~const Bar>(x: &T) {
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//[yn,nn]~^ ERROR: ~const can only be applied to `#[const_trait]`
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x.a();
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}
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fn main() {}
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