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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:18:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:18:58 +0000
commita4b7ed7a42c716ab9f05e351f003d589124fd55d (patch)
treeb620cd3f223850b28716e474e80c58059dca5dd4 /tests/ui/regions/regions-escape-method.rs
parentAdding upstream version 1.67.1+dfsg1. (diff)
downloadrustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.tar.xz
rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.zip
Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/regions/regions-escape-method.rs')
-rw-r--r--tests/ui/regions/regions-escape-method.rs16
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/ui/regions/regions-escape-method.rs b/tests/ui/regions/regions-escape-method.rs
new file mode 100644
index 000000000..69c01ae69
--- /dev/null
+++ b/tests/ui/regions/regions-escape-method.rs
@@ -0,0 +1,16 @@
+// Test a method call where the parameter `B` would (illegally) be
+// inferred to a region bound in the method argument. If this program
+// were accepted, then the closure passed to `s.f` could escape its
+// argument.
+
+struct S;
+
+impl S {
+ fn f<B, F>(&self, _: F) where F: FnOnce(&i32) -> B {
+ }
+}
+
+fn main() {
+ let s = S;
+ s.f(|p| p) //~ ERROR lifetime may not live long enough
+}