24 lines
782 B
Rust
24 lines
782 B
Rust
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// Copyright 2015 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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use std::collections::HashMap;
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use std::collections::hash_map::Entry::Vacant;
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pub fn foo() {
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type F = Box<Fn(&()) + 'static>;
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let mut map: HashMap<(), F> = HashMap::new();
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let x: &mut F = match map.entry(()) {
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Vacant(_) => unimplemented!(),
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_ => unimplemented!()
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};
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}
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fn main() {}
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