tests/ui/functions-closures/closure-inference.rs

   1 // run-pass
   2 #![allow(unused_braces)]
   3
   4 fn foo(i: isize) -> isize { i + 1 }
   5
   6 fn apply<A, F>(f: F, v: A) -> A where F: FnOnce(A) -> A { f(v) }
   7
   8 pub fn main() {
   9     let f = {|i| foo(i)};
  10     assert_eq!(apply(f, 2), 3);
  11 }