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23 lines
397 B
Rust
23 lines
397 B
Rust
// check-pass
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#![feature(fn_traits, unboxed_closures)]
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#[allow(dead_code)]
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struct Foo;
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impl Fn<(&(),)> for Foo {
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extern "rust-call" fn call(&self, (_,): (&(),)) {}
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}
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impl FnMut<(&(),)> for Foo {
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extern "rust-call" fn call_mut(&mut self, (_,): (&(),)) {}
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}
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impl FnOnce<(&(),)> for Foo {
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type Output = ();
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extern "rust-call" fn call_once(self, (_,): (&(),)) {}
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}
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fn main() {}
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