a5bb0a3a45
floating point numbers for real.
This will break code that looks like:
let mut x = 0;
while ... {
x += 1;
}
println!("{}", x);
Change that code to:
let mut x = 0i;
while ... {
x += 1;
}
println!("{}", x);
Closes #15201.
[breaking-change]
75 lines
2.1 KiB
Rust
75 lines
2.1 KiB
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 a() {
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let mut vec = [box 1i, box 2, box 3];
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match vec {
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[box ref _a, _, _] => {
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vec[0] = box 4; //~ ERROR cannot assign
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}
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}
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}
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fn b() {
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let mut vec = vec!(box 1i, box 2, box 3);
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let vec: &mut [Box<int>] = vec.as_mut_slice();
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match vec {
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[.._b] => {
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vec[0] = box 4; //~ ERROR cannot assign
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}
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}
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}
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fn c() {
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let mut vec = vec!(box 1i, box 2, box 3);
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let vec: &mut [Box<int>] = vec.as_mut_slice();
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match vec {
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[_a, //~ ERROR cannot move out
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.._b] => { //~^ NOTE attempting to move value to here
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// Note: `_a` is *moved* here, but `b` is borrowing,
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// hence illegal.
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//
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// See comment in middle/borrowck/gather_loans/mod.rs
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// in the case covering these sorts of vectors.
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}
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_ => {}
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}
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let a = vec[0]; //~ ERROR cannot move out
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}
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fn d() {
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let mut vec = vec!(box 1i, box 2, box 3);
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let vec: &mut [Box<int>] = vec.as_mut_slice();
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match vec {
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[.._a, //~ ERROR cannot move out
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_b] => {} //~ NOTE attempting to move value to here
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_ => {}
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}
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let a = vec[0]; //~ ERROR cannot move out
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}
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fn e() {
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let mut vec = vec!(box 1i, box 2, box 3);
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let vec: &mut [Box<int>] = vec.as_mut_slice();
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match vec {
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[_a, _b, _c] => {} //~ ERROR cannot move out
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//~^ NOTE attempting to move value to here
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//~^^ NOTE and here
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//~^^^ NOTE and here
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_ => {}
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}
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let a = vec[0]; //~ ERROR cannot move out
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//~^ NOTE attempting to move value to here
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}
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fn main() {}
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