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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
commit64d98f8ee037282c35007b64c2649055c56af1db (patch)
tree5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/regions/regions-implied-bounds-projection-gap-4.rs
parentAdding debian version 1.67.1+dfsg1-1. (diff)
downloadrustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz
rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/regions/regions-implied-bounds-projection-gap-4.rs')
-rw-r--r--tests/ui/regions/regions-implied-bounds-projection-gap-4.rs23
1 files changed, 23 insertions, 0 deletions
diff --git a/tests/ui/regions/regions-implied-bounds-projection-gap-4.rs b/tests/ui/regions/regions-implied-bounds-projection-gap-4.rs
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+++ b/tests/ui/regions/regions-implied-bounds-projection-gap-4.rs
@@ -0,0 +1,23 @@
+// Along with the other tests in this series, illustrates the
+// "projection gap": in this test, we know that `T: 'x`, and that
+// is (naturally) enough to conclude that `T: 'x`.
+
+// check-pass
+#![allow(dead_code)]
+#![allow(unused_variables)]
+
+trait Trait1<'x> {
+ type Foo;
+}
+
+// calling this fn should trigger a check that the type argument
+// supplied is well-formed.
+fn wf<T>() { }
+
+fn func<'x, T:Trait1<'x>>(t: &'x T)
+{
+ wf::<&'x T>();
+}
+
+
+fn main() { }