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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/nll/capture-ref-in-struct.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/nll/capture-ref-in-struct.rs')
-rw-r--r--tests/ui/nll/capture-ref-in-struct.rs36
1 files changed, 36 insertions, 0 deletions
diff --git a/tests/ui/nll/capture-ref-in-struct.rs b/tests/ui/nll/capture-ref-in-struct.rs
new file mode 100644
index 000000000..db6ac7d66
--- /dev/null
+++ b/tests/ui/nll/capture-ref-in-struct.rs
@@ -0,0 +1,36 @@
+// Test that a structure which tries to store a pointer to `y` into
+// `p` (indirectly) fails to compile.
+
+struct SomeStruct<'a, 'b: 'a> {
+ p: &'a mut &'b i32,
+ y: &'b i32,
+}
+
+fn test() {
+ let x = 44;
+ let mut p = &x;
+
+ {
+ let y = 22;
+
+ let closure = SomeStruct {
+ p: &mut p,
+ y: &y,
+ //~^ ERROR `y` does not live long enough [E0597]
+ };
+
+ closure.invoke();
+ }
+
+ deref(p);
+}
+
+impl<'a, 'b> SomeStruct<'a, 'b> {
+ fn invoke(self) {
+ *self.p = self.y;
+ }
+}
+
+fn deref(_: &i32) { }
+
+fn main() { }