diff options
Diffstat (limited to 'tests/ui/rfc-2632-const-trait-impl/assoc-type.rs')
-rw-r--r-- | tests/ui/rfc-2632-const-trait-impl/assoc-type.rs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tests/ui/rfc-2632-const-trait-impl/assoc-type.rs b/tests/ui/rfc-2632-const-trait-impl/assoc-type.rs new file mode 100644 index 000000000..7d9dae52c --- /dev/null +++ b/tests/ui/rfc-2632-const-trait-impl/assoc-type.rs @@ -0,0 +1,32 @@ +#![feature(const_trait_impl)] + +struct NonConstAdd(i32); + +impl std::ops::Add for NonConstAdd { + type Output = Self; + + fn add(self, rhs: Self) -> Self { + NonConstAdd(self.0 + rhs.0) + } +} + +#[const_trait] +trait Foo { + type Bar: ~const std::ops::Add; +} + +impl const Foo for NonConstAdd { + type Bar = NonConstAdd; + //~^ ERROR: cannot add `NonConstAdd` to `NonConstAdd` in const contexts +} + +#[const_trait] +trait Baz { + type Qux: std::ops::Add; +} + +impl const Baz for NonConstAdd { + type Qux = NonConstAdd; // OK +} + +fn main() {} |