diff options
Diffstat (limited to 'src/test/ui/unboxed-closures/unboxed-closures-sugar-object.rs')
-rw-r--r-- | src/test/ui/unboxed-closures/unboxed-closures-sugar-object.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/test/ui/unboxed-closures/unboxed-closures-sugar-object.rs b/src/test/ui/unboxed-closures/unboxed-closures-sugar-object.rs new file mode 100644 index 000000000..1ca25517c --- /dev/null +++ b/src/test/ui/unboxed-closures/unboxed-closures-sugar-object.rs @@ -0,0 +1,25 @@ +// run-pass +// Test unboxed closure sugar used in object types. + +#![allow(dead_code)] + +struct Foo<T,U> { + t: T, u: U +} + +trait Getter<A,R> { + fn get(&self, arg: A) -> R; +} + +struct Identity; +impl<X> Getter<X,X> for Identity { + fn get(&self, arg: X) -> X { + arg + } +} + +fn main() { + let x: &dyn Getter<(i32,), (i32,)> = &Identity; + let (y,) = x.get((22,)); + assert_eq!(y, 22); +} |