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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/bare-fn-implements-fn-mut.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/bare-fn-implements-fn-mut.rs')
-rw-r--r--tests/ui/bare-fn-implements-fn-mut.rs27
1 files changed, 27 insertions, 0 deletions
diff --git a/tests/ui/bare-fn-implements-fn-mut.rs b/tests/ui/bare-fn-implements-fn-mut.rs
new file mode 100644
index 000000000..dfead4889
--- /dev/null
+++ b/tests/ui/bare-fn-implements-fn-mut.rs
@@ -0,0 +1,27 @@
+// run-pass
+
+use std::ops::FnMut;
+
+fn call_f<F:FnMut()>(mut f: F) {
+ f();
+}
+
+fn f() {
+ println!("hello");
+}
+
+fn call_g<G:FnMut(String,String) -> String>(mut g: G, x: String, y: String)
+ -> String {
+ g(x, y)
+}
+
+fn g(mut x: String, y: String) -> String {
+ x.push_str(&y);
+ x
+}
+
+fn main() {
+ call_f(f);
+ assert_eq!(call_g(g, "foo".to_string(), "bar".to_string()),
+ "foobar");
+}