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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/issues/issue-14959.rs | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-14959.rs b/src/test/ui/issues/issue-14959.rs new file mode 100644 index 000000000..e31a94315 --- /dev/null +++ b/src/test/ui/issues/issue-14959.rs @@ -0,0 +1,55 @@ +// check-pass +// pretty-expanded FIXME #23616 + +#![feature(fn_traits, unboxed_closures)] + +use std::ops::Fn; + +trait Response { fn dummy(&self) { } } +trait Request { fn dummy(&self) { } } +trait Ingot<R, S> { + fn enter(&mut self, _: &mut R, _: &mut S, a: &mut Alloy) -> Status; +} + +#[allow(dead_code)] +struct HelloWorld; + +struct SendFile; +struct Alloy; +enum Status { + Continue +} + +impl Alloy { + fn find<T>(&self) -> Option<T> { + None + } +} + +impl<'b> Fn<(&'b mut (dyn Response + 'b),)> for SendFile { + extern "rust-call" fn call(&self, (_res,): (&'b mut (dyn Response + 'b),)) {} +} + +impl<'b> FnMut<(&'b mut (dyn Response + 'b),)> for SendFile { + extern "rust-call" fn call_mut(&mut self, (_res,): (&'b mut (dyn Response+'b),)) { + self.call((_res,)) + } +} + +impl<'b> FnOnce<(&'b mut (dyn Response + 'b),)> for SendFile { + type Output = (); + + extern "rust-call" fn call_once(self, (_res,): (&'b mut (dyn Response+'b),)) { + self.call((_res,)) + } +} + +impl<Rq: Request, Rs: Response> Ingot<Rq, Rs> for HelloWorld { + fn enter(&mut self, _req: &mut Rq, res: &mut Rs, alloy: &mut Alloy) -> Status { + let send_file = alloy.find::<SendFile>().unwrap(); + send_file(res); + Status::Continue + } +} + +fn main() {} |