mirror of https://github.com/rust-lang/rust
35 lines
721 B
Rust
35 lines
721 B
Rust
// Regression test for #23827
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#![feature(fn_traits, unboxed_closures)]
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#[derive(Copy, Clone)]
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pub struct Prototype {
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pub target: u32
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}
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trait Component {
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fn apply(self, e: u32);
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}
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impl<C: Component> Fn<(C,)> for Prototype {
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extern "rust-call" fn call(&self, (comp,): (C,)) -> Prototype {
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comp.apply(self.target);
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*self
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}
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}
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impl<C: Component> FnMut<(C,)> for Prototype {
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extern "rust-call" fn call_mut(&mut self, (comp,): (C,)) -> Prototype {
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Fn::call(*&self, (comp,))
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}
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}
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impl<C: Component> FnOnce<(C,)> for Prototype {
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//~^ ERROR E0046
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extern "rust-call" fn call_once(self, (comp,): (C,)) -> Prototype {
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Fn::call(&self, (comp,))
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}
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}
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fn main() {}
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