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| author | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-05 09:13:28 +0100 |
|---|---|---|
| committer | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-11 09:32:08 +0000 |
| commit | cf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch) | |
| tree | 40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/ui/rfc-2632-const-trait-impl/specializing-constness.rs | |
| parent | ca855e6e42787ecd062d81d53336fe6788ef51a9 (diff) | |
| download | rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip | |
Move /src/test to /tests
Diffstat (limited to 'tests/ui/rfc-2632-const-trait-impl/specializing-constness.rs')
| -rw-r--r-- | tests/ui/rfc-2632-const-trait-impl/specializing-constness.rs | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/tests/ui/rfc-2632-const-trait-impl/specializing-constness.rs b/tests/ui/rfc-2632-const-trait-impl/specializing-constness.rs new file mode 100644 index 00000000000..9ab170f0920 --- /dev/null +++ b/tests/ui/rfc-2632-const-trait-impl/specializing-constness.rs @@ -0,0 +1,28 @@ +#![feature(const_trait_impl, min_specialization, rustc_attrs)] + +#[rustc_specialization_trait] +#[const_trait] +pub trait Sup {} + +impl const Sup for () {} + +#[const_trait] +pub trait A { + fn a() -> u32; +} + +impl<T: ~const Default> const A for T { + default fn a() -> u32 { + 2 + } +} + +impl<T: Default + Sup> A for T { +//~^ ERROR: cannot specialize +//~| ERROR: missing `~const` qualifier + fn a() -> u32 { + 3 + } +} + +fn main() {} |
