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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/trait-default-body-stability.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/trait-default-body-stability.rs')
| -rw-r--r-- | tests/ui/rfc-2632-const-trait-impl/trait-default-body-stability.rs | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/tests/ui/rfc-2632-const-trait-impl/trait-default-body-stability.rs b/tests/ui/rfc-2632-const-trait-impl/trait-default-body-stability.rs new file mode 100644 index 00000000000..334fc4cb847 --- /dev/null +++ b/tests/ui/rfc-2632-const-trait-impl/trait-default-body-stability.rs @@ -0,0 +1,50 @@ +// check-pass + +#![feature(staged_api)] +#![feature(const_trait_impl)] +#![feature(const_t_try)] +#![feature(const_try)] +#![feature(try_trait_v2)] + +#![stable(feature = "foo", since = "1.0")] + +use std::ops::{ControlFlow, FromResidual, Try}; + +#[stable(feature = "foo", since = "1.0")] +pub struct T; + +#[stable(feature = "foo", since = "1.0")] +#[rustc_const_unstable(feature = "const_t_try", issue = "none")] +impl const Try for T { + type Output = T; + type Residual = T; + + fn from_output(t: T) -> T { + t + } + + fn branch(self) -> ControlFlow<T, T> { + ControlFlow::Continue(self) + } +} + +#[stable(feature = "foo", since = "1.0")] +#[rustc_const_unstable(feature = "const_t_try", issue = "none")] +impl const FromResidual for T { + fn from_residual(t: T) -> T { + t + } +} + +#[stable(feature = "foo", since = "1.0")] +#[const_trait] +pub trait Tr { + #[stable(feature = "foo", since = "1.0")] + fn bar() -> T { + T? + // Should be allowed. + // Must enable unstable features to call this trait fn in const contexts. + } +} + +fn main() {} |
