diff options
Diffstat (limited to 'tests/ui/overloaded/overloaded-calls-nontuple.rs')
-rw-r--r-- | tests/ui/overloaded/overloaded-calls-nontuple.rs | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/tests/ui/overloaded/overloaded-calls-nontuple.rs b/tests/ui/overloaded/overloaded-calls-nontuple.rs new file mode 100644 index 000000000..32a3b93e0 --- /dev/null +++ b/tests/ui/overloaded/overloaded-calls-nontuple.rs @@ -0,0 +1,30 @@ +#![feature(fn_traits, unboxed_closures)] + +use std::ops::FnMut; + +struct S { + x: isize, + y: isize, +} + +impl FnMut<isize> for S { + //~^ ERROR type parameter to bare `FnMut` trait must be a tuple + extern "rust-call" fn call_mut(&mut self, z: isize) -> isize { + //~^ ERROR functions with the "rust-call" ABI must take a single non-self tuple argument + self.x + self.y + z + } +} + +impl FnOnce<isize> for S { + //~^ ERROR type parameter to bare `FnOnce` trait must be a tuple + type Output = isize; + extern "rust-call" fn call_once(mut self, z: isize) -> isize { + //~^ ERROR functions with the "rust-call" ABI must take a single non-self tuple argument + self.call_mut(z) + } +} + +fn main() { + let mut s = S { x: 1, y: 2 }; + drop(s(3)) +} |