diff options
Diffstat (limited to 'src/test/ui/self/arbitrary_self_types_raw_pointer_struct.rs')
-rw-r--r-- | src/test/ui/self/arbitrary_self_types_raw_pointer_struct.rs | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/test/ui/self/arbitrary_self_types_raw_pointer_struct.rs b/src/test/ui/self/arbitrary_self_types_raw_pointer_struct.rs new file mode 100644 index 000000000..0eab7617f --- /dev/null +++ b/src/test/ui/self/arbitrary_self_types_raw_pointer_struct.rs @@ -0,0 +1,28 @@ +// run-pass +#![feature(arbitrary_self_types)] + +use std::rc::Rc; + +struct Foo(String); + +impl Foo { + unsafe fn foo(self: *const Self) -> *const str { + (*self).0.as_ref() + } + + fn complicated_1(self: *const Rc<Self>) -> &'static str { + "Foo::complicated_1" + } + + unsafe fn complicated_2(self: Rc<*const Self>) -> *const str { + (**self).0.as_ref() + } +} + +fn main() { + let foo = Foo("abc123".into()); + assert_eq!("abc123", unsafe { &*(&foo as *const Foo).foo() }); + assert_eq!("Foo::complicated_1", std::ptr::null::<Rc<Foo>>().complicated_1()); + let rc = Rc::new(&foo as *const Foo); + assert_eq!("abc123", unsafe { &*rc.complicated_2()}); +} |