41 lines
1008 B
Rust
41 lines
1008 B
Rust
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// 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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// produce special borrowck message inside all kinds of loops
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struct FuncWrapper<'a, T : 'a> {
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func : fn(&'a mut T) -> ()
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}
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impl<'a, T : 'a> FuncWrapper<'a, T> {
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fn in_loop(self, arg : &'a mut T) {
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loop {
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(self.func)(arg)
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}
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}
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fn in_while(self, arg : &'a mut T) {
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while true {
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(self.func)(arg)
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}
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}
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fn in_for(self, arg : &'a mut T) {
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let v : Vec<()> = vec![];
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for _ in v.iter() {
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(self.func)(arg)
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}
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}
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}
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fn main() {
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}
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