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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/specializing-constness.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/specializing-constness.rs')
-rw-r--r--tests/ui/rfc-2632-const-trait-impl/specializing-constness.rs28
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() {}