13 lines
343 B
Rust
13 lines
343 B
Rust
//@ run-pass
|
|
|
|
fn f<T>(x: Vec<T>) -> T { return x.into_iter().next().unwrap(); }
|
|
|
|
fn g<F>(act: F) -> isize where F: FnOnce(Vec<isize>) -> isize { return act(vec![1, 2, 3]); }
|
|
|
|
pub fn main() {
|
|
assert_eq!(g(f), 1);
|
|
let f1 = f;
|
|
assert_eq!(f1(vec!["x".to_string(), "y".to_string(), "z".to_string()]),
|
|
"x".to_string());
|
|
}
|