diff options
Diffstat (limited to 'src/test/ui/span/issue-23827.rs')
-rw-r--r-- | src/test/ui/span/issue-23827.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/test/ui/span/issue-23827.rs b/src/test/ui/span/issue-23827.rs new file mode 100644 index 000000000..6b065bf6c --- /dev/null +++ b/src/test/ui/span/issue-23827.rs @@ -0,0 +1,33 @@ +// Regression test for #23827 + +#![feature(fn_traits, unboxed_closures)] + +pub struct Prototype { + pub target: u32 +} + +trait Component { + fn apply(self, e: u32); +} + +impl<C: Component> Fn<(C,)> for Prototype { + extern "rust-call" fn call(&self, (comp,): (C,)) -> Prototype { + comp.apply(self.target); + *self + } +} + +impl<C: Component> FnMut<(C,)> for Prototype { + extern "rust-call" fn call_mut(&mut self, (comp,): (C,)) -> Prototype { + Fn::call(*&self, (comp,)) + } +} + +impl<C: Component> FnOnce<(C,)> for Prototype { + //~^ ERROR E0046 + extern "rust-call" fn call_once(self, (comp,): (C,)) -> Prototype { + Fn::call(&self, (comp,)) + } +} + +fn main() {} |