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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/borrowck/borrowck-unboxed-closures.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/borrowck/borrowck-unboxed-closures.rs')
-rw-r--r--tests/ui/borrowck/borrowck-unboxed-closures.rs17
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/borrowck/borrowck-unboxed-closures.rs b/tests/ui/borrowck/borrowck-unboxed-closures.rs
new file mode 100644
index 000000000..f0048dd7d
--- /dev/null
+++ b/tests/ui/borrowck/borrowck-unboxed-closures.rs
@@ -0,0 +1,17 @@
+fn a<F:Fn(isize, isize) -> isize>(mut f: F) {
+ let g = &mut f;
+ f(1, 2); //~ ERROR cannot borrow `f` as immutable
+ use_mut(g);
+}
+fn b<F:FnMut(isize, isize) -> isize>(f: F) {
+ f(1, 2); //~ ERROR cannot borrow `f` as mutable, as it is not declared as mutable
+}
+
+fn c<F:FnOnce(isize, isize) -> isize>(f: F) {
+ f(1, 2);
+ f(1, 2); //~ ERROR use of moved value
+}
+
+fn main() {}
+
+fn use_mut<T>(_: &mut T) { }