diff options
Diffstat (limited to 'src/test/ui/unboxed-closures/unboxed-closures-fnmut-as-fn.rs')
-rw-r--r-- | src/test/ui/unboxed-closures/unboxed-closures-fnmut-as-fn.rs | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/src/test/ui/unboxed-closures/unboxed-closures-fnmut-as-fn.rs b/src/test/ui/unboxed-closures/unboxed-closures-fnmut-as-fn.rs deleted file mode 100644 index 867e5fb1d..000000000 --- a/src/test/ui/unboxed-closures/unboxed-closures-fnmut-as-fn.rs +++ /dev/null @@ -1,29 +0,0 @@ -// Checks that the Fn trait hierarchy rules do not permit -// Fn to be used where FnMut is implemented. - -#![feature(fn_traits, unboxed_closures)] - -use std::ops::{Fn,FnMut,FnOnce}; - -struct S; - -impl FnMut<(isize,)> for S { - extern "rust-call" fn call_mut(&mut self, (x,): (isize,)) -> isize { - x * x - } -} - -impl FnOnce<(isize,)> for S { - type Output = isize; - - extern "rust-call" fn call_once(mut self, args: (isize,)) -> isize { self.call_mut(args) } -} - -fn call_it<F:Fn(isize)->isize>(f: &F, x: isize) -> isize { - f.call((x,)) -} - -fn main() { - let x = call_it(&S, 22); - //~^ ERROR E0277 -} |