| @@ -2388,14 +2388,14 @@ const fn foo() -> impl T { // error: `impl Trait` in const fn is unstable |
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To enable this feature on a nightly version of rustc, add the `const_fn` |
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feature flag: |
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-```compile_fail,E0723 |
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+``` |
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#![feature(const_fn)] |
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trait T {} |
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impl T for () {} |
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-const fn foo() -> impl T { // error: `impl Trait` in const fn is unstable |
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+const fn foo() -> impl T { |
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() |
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} |
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``` |