main()1 fn main() {
2     let a = [(1u32, 2u32)];
3     a.iter().map(|_: (u32, u32)| 45); //~ ERROR type mismatch
4     a.iter().map(|_: &(u16, u16)| 45); //~ ERROR type mismatch
5     a.iter().map(|_: (u16, u16)| 45); //~ ERROR type mismatch
6 }
7 
baz<F: Fn(*mut &u32)>(_: F)8 fn baz<F: Fn(*mut &u32)>(_: F) {}
_test<'a>(f: fn(*mut &'a u32))9 fn _test<'a>(f: fn(*mut &'a u32)) {
10     baz(f);
11     //~^ ERROR implementation of `FnOnce` is not general enough
12     //~| ERROR implementation of `FnOnce` is not general enough
13     //~| ERROR mismatched types
14     //~| ERROR mismatched types
15 }
16