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56 lines
1.2 KiB
Rust
56 lines
1.2 KiB
Rust
// check-pass
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// pretty-expanded FIXME #23616
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#![feature(fn_traits, unboxed_closures)]
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use std::ops::Fn;
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trait Response { fn dummy(&self) { } }
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trait Request { fn dummy(&self) { } }
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trait Ingot<R, S> {
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fn enter(&mut self, _: &mut R, _: &mut S, a: &mut Alloy) -> Status;
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}
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#[allow(dead_code)]
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struct HelloWorld;
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struct SendFile;
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struct Alloy;
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enum Status {
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Continue
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}
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impl Alloy {
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fn find<T>(&self) -> Option<T> {
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None
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}
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}
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impl<'b> Fn<(&'b mut (dyn Response + 'b),)> for SendFile {
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extern "rust-call" fn call(&self, (_res,): (&'b mut (dyn Response + 'b),)) {}
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}
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impl<'b> FnMut<(&'b mut (dyn Response + 'b),)> for SendFile {
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extern "rust-call" fn call_mut(&mut self, (_res,): (&'b mut (dyn Response+'b),)) {
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self.call((_res,))
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}
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}
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impl<'b> FnOnce<(&'b mut (dyn Response + 'b),)> for SendFile {
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type Output = ();
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extern "rust-call" fn call_once(self, (_res,): (&'b mut (dyn Response+'b),)) {
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self.call((_res,))
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}
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}
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impl<Rq: Request, Rs: Response> Ingot<Rq, Rs> for HelloWorld {
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fn enter(&mut self, _req: &mut Rq, res: &mut Rs, alloy: &mut Alloy) -> Status {
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let send_file = alloy.find::<SendFile>().unwrap();
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send_file(res);
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Status::Continue
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}
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}
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fn main() {}
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