42 lines
1.1 KiB
Rust
42 lines
1.1 KiB
Rust
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// Copyright 2012-2014 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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struct S;
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// Ensure S is moved, not copied, on assignment.
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impl Drop for S { fn drop(&mut self) { } }
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// user-defined function "returning" bottom (i.e. no return at all).
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fn my_fail() -> ! { loop {} }
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pub fn step(f: bool) {
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let mut g = S;
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let mut i = 0;
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loop
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{
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if i > 10 { break; } else { i += 1; }
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let _g = g;
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if f {
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// re-initialize g, but only before restarting loop.
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g = S;
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continue;
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}
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my_fail();
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// we never get here, so we do not need to re-initialize g.
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}
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}
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pub fn main() {
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step(true);
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}
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