26 lines
444 B
Rust
26 lines
444 B
Rust
// run-pass
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fn example_err(prog: &str, arg: &str) {
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println!("{}: {}", prog, arg)
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}
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fn exit<F>(print: F, prog: &str, arg: &str) where F: FnOnce(&str, &str) {
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print(prog, arg);
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}
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struct X<F> where F: FnOnce(&str, &str) {
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err: F,
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}
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impl<F> X<F> where F: FnOnce(&str, &str) {
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pub fn boom(self) {
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exit(self.err, "prog", "arg");
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}
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}
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pub fn main(){
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let val = X {
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err: example_err,
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};
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val.boom();
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}
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