2013-05-17 20:12:50 -05:00
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// Tests that we are able to distinguish when loans borrow different
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// anonymous fields of an enum variant vs the same anonymous field.
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enum Foo {
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X, Y(uint, uint)
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}
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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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2013-09-29 22:06:21 -05:00
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X => fail2!()
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2013-05-17 20:12:50 -05:00
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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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2013-09-29 22:06:21 -05:00
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X => fail2!()
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2013-05-17 20:12:50 -05:00
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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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2013-09-29 22:06:21 -05:00
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X => fail2!()
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2013-05-17 20:12:50 -05:00
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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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2013-09-29 22:06:21 -05:00
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X => fail2!()
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2013-05-17 20:12:50 -05:00
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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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2013-09-23 19:20:36 -05:00
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}
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