//@ run-pass // Test that we can use method notation to call methods based on a // where clause type, and not only type parameters. trait Foo { fn foo(&self) -> i32; } impl Foo for Option { fn foo(&self) -> i32 { self.unwrap_or(22) } } impl Foo for Option { fn foo(&self) -> i32 { self.unwrap_or(22) as i32 } } fn check(x: Option) -> (i32, i32) where Option : Foo { let y: Option = None; (x.foo(), y.foo()) } fn main() { assert_eq!(check(Some(23u32)), (23, 22)); assert_eq!(check(Some(23)), (23, 22)); }