src/test/ui/unboxed-closures/unboxed-closures-infer-argument-types-two-region-pointers.rs

   1 #![feature(fn_traits)]
   2
   3 // That a closure whose expected argument types include two distinct
   4 // bound regions.
   5
   6 use std::cell::Cell;
   7
   8 fn doit<T,F>(val: T, f: &F)
   9     where F : Fn(&Cell<&T>, &T)
  10 {
  11     let x = Cell::new(&val);
  12     f.call((&x,&val))
  13 }
  14
  15 pub fn main() {
  16     doit(0, &|x, y| {
  17         x.set(y);
  18         //~^ lifetime may not live long enough
  19     });
  20 }