5fe89e8eb1
Fixes #11740. Fixes #19601. Fixes #22603 Fixes #22789. Fixes #26614. r? @Mark-Simulacrum.
24 lines
748 B
Rust
24 lines
748 B
Rust
// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![feature(unboxed_closures, fn_traits, rustc_attrs)]
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struct Foo;
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impl<A> FnOnce<(A,)> for Foo {
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type Output = ();
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extern "rust-call" fn call_once(self, (_,): (A,)) {
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}
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}
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#[rustc_error]
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fn main() { //~ ERROR compilation successful
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println!("{:?}", Foo("bar"));
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}
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