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authorAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-05 09:13:28 +0100
committerAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-11 09:32:08 +0000
commitcf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch)
tree40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/ui/rfc-2632-const-trait-impl/trait-default-body-stability.rs
parentca855e6e42787ecd062d81d53336fe6788ef51a9 (diff)
downloadrust-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.rs50
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() {}