46 lines
1019 B
Rust
46 lines
1019 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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// Tests that we are able to distinguish when loans borrow different
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// anonymous fields of a tuple vs the same anonymous field.
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fn distinct_variant() {
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let mut y = (1, 2);
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let a = match y {
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(ref mut a, _) => a
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};
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let b = match y {
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(_, ref mut b) => b
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};
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*a += 1;
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*b += 1;
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}
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fn same_variant() {
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let mut y = (1, 2);
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let a = match y {
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(ref mut a, _) => a
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};
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let b = match y {
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(ref mut b, _) => b //~ ERROR cannot borrow
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};
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*a += 1;
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*b += 1;
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}
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fn main() {
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}
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