2017-11-27 02:06:36 -06:00
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// 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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// revisions: ast mir
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//[mir]compile-flags: -Zborrowck=mir
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fn test_drop_replace() {
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let b: Box<isize>;
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b = Box::new(1); //[ast]~ NOTE first assignment
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//[mir]~^ NOTE first assignment
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b = Box::new(2); //[ast]~ ERROR cannot assign twice to immutable variable
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//[mir]~^ ERROR cannot assign twice to immutable variable `b`
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//[ast]~| NOTE cannot assign twice to immutable
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//[mir]~| NOTE cannot assign twice to immutable
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}
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fn test_call() {
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let b = Box::new(1); //[ast]~ NOTE first assignment
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//[mir]~^ NOTE first assignment
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b = Box::new(2); //[ast]~ ERROR cannot assign twice to immutable variable
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//[mir]~^ ERROR cannot assign twice to immutable variable `b`
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//[ast]~| NOTE cannot assign twice to immutable
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//[mir]~| NOTE cannot assign twice to immutable
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}
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fn test_args(b: Box<i32>) { //[ast]~ NOTE first assignment
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2018-01-07 19:02:26 -06:00
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//[mir]~^ NOTE argument not declared as `mut`
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2017-11-27 02:06:36 -06:00
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b = Box::new(2); //[ast]~ ERROR cannot assign twice to immutable variable
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2018-01-09 21:10:45 -06:00
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//[mir]~^ ERROR cannot assign to immutable argument `b`
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2017-11-27 02:06:36 -06:00
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//[ast]~| NOTE cannot assign twice to immutable
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2018-01-07 19:02:26 -06:00
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//[mir]~| NOTE cannot assign to immutable argument
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2017-11-27 02:06:36 -06:00
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}
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fn main() {}
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