src/test/ui/issues/issue-3904.rs

   1 // run-pass
   2 fn example_err(prog: &str, arg: &str) {
   3     println!("{}: {}", prog, arg)
   4 }
   5
   6 fn exit<F>(print: F, prog: &str, arg: &str) where F: FnOnce(&str, &str) {
   7     print(prog, arg);
   8 }
   9
  10 struct X<F> where F: FnOnce(&str, &str) {
  11     err: F,
  12 }
  13
  14 impl<F> X<F> where F: FnOnce(&str, &str) {
  15     pub fn boom(self) {
  16         exit(self.err, "prog", "arg");
  17     }
  18 }
  19
  20 pub fn main(){
  21     let val = X {
  22         err: example_err,
  23     };
  24     val.boom();
  25 }