blob: d6ecd6b654bf715d4ce038e63e879484f9af564b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
// run-pass
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");
}
|