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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/rfc-2632-const-trait-impl/trait-where-clause-run.rs | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/test/ui/rfc-2632-const-trait-impl/trait-where-clause-run.rs b/src/test/ui/rfc-2632-const-trait-impl/trait-where-clause-run.rs new file mode 100644 index 000000000..b7cf9a13b --- /dev/null +++ b/src/test/ui/rfc-2632-const-trait-impl/trait-where-clause-run.rs @@ -0,0 +1,40 @@ +// run-pass + +#![feature(const_trait_impl)] + +trait Bar { + fn bar() -> u8; +} + +#[const_trait] +trait Foo { + fn foo() -> u8 where Self: ~const Bar { + <Self as Bar>::bar() * 6 + } +} + +struct NonConst; +struct Const; + +impl Bar for NonConst { + fn bar() -> u8 { + 3 + } +} + +impl Foo for NonConst {} + +impl const Bar for Const { + fn bar() -> u8 { + 4 + } +} + +impl const Foo for Const {} + +fn main() { + const ANS1: u8 = Const::foo(); + let ans2 = NonConst::foo(); + + assert_eq!(ANS1 + ans2, 42); +} |