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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-30 03:57:31 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-30 03:57:31 +0000
commitdc0db358abe19481e475e10c32149b53370f1a1c (patch)
treeab8ce99c4b255ce46f99ef402c27916055b899ee /tests/ui/rfcs/rfc-2632-const-trait-impl/specializing-constness-2.rs
parentReleasing progress-linux version 1.71.1+dfsg1-2~progress7.99u1. (diff)
downloadrustc-dc0db358abe19481e475e10c32149b53370f1a1c.tar.xz
rustc-dc0db358abe19481e475e10c32149b53370f1a1c.zip
Merging upstream version 1.72.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/rfcs/rfc-2632-const-trait-impl/specializing-constness-2.rs')
-rw-r--r--tests/ui/rfcs/rfc-2632-const-trait-impl/specializing-constness-2.rs31
1 files changed, 31 insertions, 0 deletions
diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/specializing-constness-2.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/specializing-constness-2.rs
new file mode 100644
index 000000000..633543700
--- /dev/null
+++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/specializing-constness-2.rs
@@ -0,0 +1,31 @@
+#![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: Default> A for T {
+ default fn a() -> u32 {
+ 2
+ }
+}
+
+impl<T: Default + ~const Sup> const A for T {
+ fn a() -> u32 {
+ 3
+ }
+}
+
+const fn generic<T: Default>() {
+ <T as A>::a();
+ //~^ ERROR: the trait bound `T: ~const Sup` is not satisfied
+}
+
+fn main() {}