5851d3242c
borrow checker and generalize what moves are allowed. Fixes a nasty bug or two in the pattern move checking code. Unifies dataflow code used for initialization and other things. First step towards once fns. Everybody wins. Fixes #4384. Fixes #4715. cc once fns (#2202), optimizing local moves (#5016).
22 lines
625 B
Rust
22 lines
625 B
Rust
// Copyright 2012 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 foo(x: ~int) -> int {
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let y = &*x;
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free(x); //~ ERROR cannot move out of `x` because it is borrowed
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*y
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}
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fn free(_x: ~int) {
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}
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fn main() {
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}
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