2 impl From<fn((), (), &())> for A {
3 fn from(_: fn((), (), &mut ())) -> Self {
4 //~^ error: method `from` has an incompatible type for trait
10 impl From<fn((), (), u32)> for B {
11 fn from(_: fn((), (), u64)) -> Self {
12 //~^ error: method `from` has an incompatible type for trait