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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/associated-types/higher-ranked-projection.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/associated-types/higher-ranked-projection.rs')
-rw-r--r--src/test/ui/associated-types/higher-ranked-projection.rs25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/test/ui/associated-types/higher-ranked-projection.rs b/src/test/ui/associated-types/higher-ranked-projection.rs
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index 000000000..7e6c509a2
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+++ b/src/test/ui/associated-types/higher-ranked-projection.rs
@@ -0,0 +1,25 @@
+// revisions: good bad
+//[good] check-pass
+
+trait Mirror {
+ type Image;
+}
+
+impl<T> Mirror for T {
+ type Image = T;
+}
+
+#[cfg(bad)]
+fn foo<U, T>(_t: T)
+ where for<'a> &'a T: Mirror<Image=U>
+{}
+
+#[cfg(good)]
+fn foo<U, T>(_t: T)
+ where for<'a> &'a T: Mirror<Image=&'a U>
+{}
+
+fn main() {
+ foo(());
+ //[bad]~^ ERROR mismatched types
+}