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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:06:31 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:06:31 +0000
commit2ff14448863ac1a1dd9533461708e29aae170c2d (patch)
tree85b9fea2bbfe3f06473cfa381eed11f273b57c5c /src/test/ui/const-generics/generic_const_exprs/obligation-cause.rs
parentAdding debian version 1.64.0+dfsg1-1. (diff)
downloadrustc-2ff14448863ac1a1dd9533461708e29aae170c2d.tar.xz
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Adding debian version 1.65.0+dfsg1-2.debian/1.65.0+dfsg1-2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--src/test/ui/const-generics/generic_const_exprs/obligation-cause.rs24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/const-generics/generic_const_exprs/obligation-cause.rs b/src/test/ui/const-generics/generic_const_exprs/obligation-cause.rs
new file mode 100644
index 000000000..e7c8e4f66
--- /dev/null
+++ b/src/test/ui/const-generics/generic_const_exprs/obligation-cause.rs
@@ -0,0 +1,24 @@
+#![allow(incomplete_features)]
+#![feature(generic_const_exprs)]
+
+trait True {}
+
+struct Is<const V: bool>;
+
+impl True for Is<true> {}
+
+fn g<T>()
+//~^ NOTE required by a bound in this
+where
+ Is<{ std::mem::size_of::<T>() == 0 }>: True,
+ //~^ NOTE required by a bound in `g`
+ //~| NOTE required by this bound in `g`
+{
+}
+
+fn main() {
+ g::<usize>();
+ //~^ ERROR mismatched types
+ //~| NOTE expected `false`, found `true`
+ //~| NOTE expected constant `false`
+}