31 lines
842 B
Rust
31 lines
842 B
Rust
// Copyright 2014 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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#[derive(Debug)]
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struct MyStruct;
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trait Repro {
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fn repro(self, s: MyStruct) -> String;
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}
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impl<F> Repro for F where F: FnOnce(MyStruct) -> String {
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fn repro(self, s: MyStruct) -> String {
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self(s)
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}
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}
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fn do_stuff<R: Repro>(r: R) -> String {
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r.repro(MyStruct)
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}
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pub fn main() {
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assert_eq!("MyStruct".to_string(), do_stuff(|s: MyStruct| format!("{:?}", s)));
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}
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