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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/higher-rank-trait-bounds/issue-90177.rs
parentAdding debian version 1.64.0+dfsg1-1. (diff)
downloadrustc-2ff14448863ac1a1dd9533461708e29aae170c2d.tar.xz
rustc-2ff14448863ac1a1dd9533461708e29aae170c2d.zip
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 'src/test/ui/higher-rank-trait-bounds/issue-90177.rs')
-rw-r--r--src/test/ui/higher-rank-trait-bounds/issue-90177.rs32
1 files changed, 32 insertions, 0 deletions
diff --git a/src/test/ui/higher-rank-trait-bounds/issue-90177.rs b/src/test/ui/higher-rank-trait-bounds/issue-90177.rs
new file mode 100644
index 000000000..b151a9d3a
--- /dev/null
+++ b/src/test/ui/higher-rank-trait-bounds/issue-90177.rs
@@ -0,0 +1,32 @@
+// check-pass
+
+trait Base<'f> {
+ type Assoc;
+
+ fn do_something(&self);
+}
+
+trait ForAnyLifetime: for<'f> Base<'f> {}
+
+impl<T> ForAnyLifetime for T where T: for<'f> Base<'f> {}
+
+trait CanBeDynamic: ForAnyLifetime + for<'f> Base<'f, Assoc = ()> {}
+
+fn foo(a: &dyn CanBeDynamic) {
+ a.do_something();
+}
+
+struct S;
+
+impl<'a> Base<'a> for S {
+ type Assoc = ();
+
+ fn do_something(&self) {}
+}
+
+impl CanBeDynamic for S {}
+
+fn main() {
+ let s = S;
+ foo(&s);
+}