2019-11-03 18:00:00 -06:00
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// check-pass
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2018-09-25 16:51:35 -05:00
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#![allow(unused_variables)]
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2015-10-24 16:29:13 -05:00
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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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2019-05-28 13:46:13 -05:00
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type F = Box<dyn Fn(&()) + 'static>;
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2015-10-24 16:29:13 -05:00
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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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