mirror of
https://github.com/rust-lang/rust.git
synced 2024-10-31 06:22:00 +00:00
26 lines
445 B
Rust
26 lines
445 B
Rust
//@ run-pass
|
|
fn example_err(prog: &str, arg: &str) {
|
|
println!("{}: {}", prog, arg)
|
|
}
|
|
|
|
fn exit<F>(print: F, prog: &str, arg: &str) where F: FnOnce(&str, &str) {
|
|
print(prog, arg);
|
|
}
|
|
|
|
struct X<F> where F: FnOnce(&str, &str) {
|
|
err: F,
|
|
}
|
|
|
|
impl<F> X<F> where F: FnOnce(&str, &str) {
|
|
pub fn boom(self) {
|
|
exit(self.err, "prog", "arg");
|
|
}
|
|
}
|
|
|
|
pub fn main(){
|
|
let val = X {
|
|
err: example_err,
|
|
};
|
|
val.boom();
|
|
}
|