mirror of https://github.com/rust-lang/rust
38 lines
583 B
Rust
38 lines
583 B
Rust
// 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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struct Y(usize, usize);
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fn distinct_variant() {
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let mut y = Y(1, 2);
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let a = match y {
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Y(ref mut a, _) => a
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};
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let b = match y {
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Y(_, 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 = Y(1, 2);
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let a = match y {
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Y(ref mut a, _) => a
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};
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let b = match y {
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Y(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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