diff options
Diffstat (limited to 'tests/ui/self/arbitrary-self-types-not-object-safe.rs')
-rw-r--r-- | tests/ui/self/arbitrary-self-types-not-object-safe.rs | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/tests/ui/self/arbitrary-self-types-not-object-safe.rs b/tests/ui/self/arbitrary-self-types-not-object-safe.rs new file mode 100644 index 000000000..40e8df339 --- /dev/null +++ b/tests/ui/self/arbitrary-self-types-not-object-safe.rs @@ -0,0 +1,44 @@ +// revisions: curr object_safe_for_dispatch + +#![cfg_attr(object_safe_for_dispatch, feature(object_safe_for_dispatch))] + +use std::rc::Rc; + +trait Foo { + fn foo(self: &Rc<Self>) -> usize; +} + +trait Bar { + fn foo(self: &Rc<Self>) -> usize where Self: Sized; + fn bar(self: Rc<Self>) -> usize; +} + +impl Foo for usize { + fn foo(self: &Rc<Self>) -> usize { + **self + } +} + +impl Bar for usize { + fn foo(self: &Rc<Self>) -> usize { + **self + } + + fn bar(self: Rc<Self>) -> usize { + *self + } +} + +fn make_foo() { + let x = Rc::new(5usize) as Rc<dyn Foo>; + //[curr]~^ ERROR E0038 + //[curr]~| ERROR E0038 + //[object_safe_for_dispatch]~^^^ ERROR E0038 +} + +fn make_bar() { + let x = Rc::new(5usize) as Rc<dyn Bar>; + x.bar(); +} + +fn main() {} |