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Diffstat (limited to 'tests/ui/mir/field-ty-ascription.rs')
-rw-r--r-- | tests/ui/mir/field-ty-ascription.rs | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/tests/ui/mir/field-ty-ascription.rs b/tests/ui/mir/field-ty-ascription.rs new file mode 100644 index 000000000..178c7916b --- /dev/null +++ b/tests/ui/mir/field-ty-ascription.rs @@ -0,0 +1,37 @@ +// build-pass + +struct Foo<T>(T); // `T` is covariant. + +struct Bar<T> { + x: T, +} // `T` is covariant. + +fn bar<'b>(x: Bar<for<'a> fn(&'a ())>) { + let Bar { x }: Bar<fn(&'b ())> = x; +} + +fn bar_nested<'b>(x: Bar<Bar<for<'a> fn(&'a ())>>) { + let Bar { x: Bar { x } }: Bar<Bar<fn(&'b ())>> = x; +} + +fn bar_foo_nested<'b>(x: Bar<Foo<for<'a> fn(&'a ())>>) { + let Bar { x: Foo ( x ) }: Bar<Foo<fn(&'b ())>> = x; +} + +fn foo<'b>(x: Foo<for<'a> fn(&'a ())>) { + let Foo(y): Foo<fn(&'b ())> = x; +} + +fn foo_nested<'b>(x: Foo<Foo<for<'a> fn(&'a ())>>) { + let Foo(Foo(y)): Foo<Foo<fn(&'b ())>> = x; +} + +fn tuple<'b>(x: (u32, for<'a> fn(&'a ()))) { + let (_, y): (u32, fn(&'b ())) = x; +} + +fn tuple_nested<'b>(x: (u32, (u32, for<'a> fn(&'a ())))) { + let (_, (_, y)): (u32, (u32, fn(&'b ()))) = x; +} + +fn main() {} |