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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/mut-function-arguments.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/mut-function-arguments.rs')
-rw-r--r--src/test/ui/mut-function-arguments.rs19
1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/ui/mut-function-arguments.rs b/src/test/ui/mut-function-arguments.rs
new file mode 100644
index 000000000..1e682fc4b
--- /dev/null
+++ b/src/test/ui/mut-function-arguments.rs
@@ -0,0 +1,19 @@
+// run-pass
+
+fn f(mut y: Box<isize>) {
+ *y = 5;
+ assert_eq!(*y, 5);
+}
+
+fn g() {
+ let frob = |mut q: Box<isize>| { *q = 2; assert_eq!(*q, 2); };
+ let w = Box::new(37);
+ frob(w);
+
+}
+
+pub fn main() {
+ let z = Box::new(17);
+ f(z);
+ g();
+}