a9b929dbb6
This can break code like:
fn call_rec(f: |uint| -> uint) -> uint {
(|x| f(x))(call_rec(f))
}
Change this code to use a temporary instead of violating the borrow
rules:
fn call_rec(f: |uint| -> uint) -> uint {
let tmp = call_rec(|x| f(x)); f(tmp)
}
Closes #17144.
[breaking-change]
17 lines
586 B
Rust
17 lines
586 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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fn call_rec(f: |uint| -> uint) -> uint {
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(|x| f(x))(call_rec(f)) //~ ERROR cannot move out of `f`
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}
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fn main() {}
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