src/test/ui/issues/issue-35869.rs

   1 trait Foo {
   2     fn foo(_: fn(u8) -> ());
   3     fn bar(_: Option<u8>);
   4     fn baz(_: (u8, u16));
   5     fn qux() -> u8;
   6 }
   7
   8 struct Bar;
   9
  10 impl Foo for Bar {
  11     fn foo(_: fn(u16) -> ()) {}
  12     //~^ ERROR method `foo` has an incompatible type for trait
  13     fn bar(_: Option<u16>) {}
  14     //~^ ERROR method `bar` has an incompatible type for trait
  15     fn baz(_: (u16, u16)) {}
  16     //~^ ERROR method `baz` has an incompatible type for trait
  17     fn qux() -> u16 { 5u16 }
  18     //~^ ERROR method `qux` has an incompatible type for trait
  19 }
  20
  21 fn main() {}