diff options
Diffstat (limited to 'src/test/ui/self/object-safety-sized-self-by-value-self.rs')
-rw-r--r-- | src/test/ui/self/object-safety-sized-self-by-value-self.rs | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/src/test/ui/self/object-safety-sized-self-by-value-self.rs b/src/test/ui/self/object-safety-sized-self-by-value-self.rs deleted file mode 100644 index 43b1d8b91..000000000 --- a/src/test/ui/self/object-safety-sized-self-by-value-self.rs +++ /dev/null @@ -1,39 +0,0 @@ -// run-pass -#![allow(unused_mut)] -// Check that a trait is still object-safe (and usable) if it has -// methods with by-value self so long as they require `Self : Sized`. - - -trait Counter { - fn tick(&mut self) -> u32; - fn get(self) -> u32 where Self : Sized; -} - -struct CCounter { - c: u32 -} - -impl Counter for CCounter { - fn tick(&mut self) -> u32 { self.c += 1; self.c } - fn get(self) -> u32 where Self : Sized { self.c } -} - -fn tick1<C:Counter>(mut c: C) -> u32 { - tick2(&mut c); - c.get() -} - -fn tick2(c: &mut dyn Counter) { - tick3(c); -} - -fn tick3<C:?Sized+Counter>(c: &mut C) { - c.tick(); - c.tick(); -} - -fn main() { - let mut c = CCounter { c: 0 }; - let value = tick1(c); - assert_eq!(value, 2); -} |