diff options
Diffstat (limited to 'src/test/ui/rfc-2632-const-trait-impl/call-generic-method-dup-bound.rs')
-rw-r--r-- | src/test/ui/rfc-2632-const-trait-impl/call-generic-method-dup-bound.rs | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/test/ui/rfc-2632-const-trait-impl/call-generic-method-dup-bound.rs b/src/test/ui/rfc-2632-const-trait-impl/call-generic-method-dup-bound.rs new file mode 100644 index 000000000..c8ded0fa7 --- /dev/null +++ b/src/test/ui/rfc-2632-const-trait-impl/call-generic-method-dup-bound.rs @@ -0,0 +1,31 @@ +// check-pass + +#![feature(const_trait_impl)] + +struct S; + +impl const PartialEq for S { + fn eq(&self, _: &S) -> bool { + true + } + fn ne(&self, other: &S) -> bool { + !self.eq(other) + } +} + +// This duplicate bound should not result in ambiguities. It should be equivalent to a single ~const +// bound. +const fn equals_self<T: PartialEq + ~const PartialEq>(t: &T) -> bool { + *t == *t +} + +trait A: PartialEq {} +impl<T: PartialEq> A for T {} + +const fn equals_self2<T: A + ~const PartialEq>(t: &T) -> bool { + *t == *t +} + +pub const EQ: bool = equals_self(&S) && equals_self2(&S); + +fn main() {} |