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