63 lines
1.4 KiB
Rust
63 lines
1.4 KiB
Rust
|
// Test that borrow check considers all choices in an or pattern, even the
|
||
|
|
// unreachable ones.
|
||
|
|
|
||
|
|
fn or_pattern_moves_all(x: ((String, String),)) {
|
||
|
|
match x {
|
||
|
|
((y, _) | (_, y),) => (),
|
||
|
|
}
|
||
|
|
&x.0 .0;
|
||
|
|
//~^ ERROR borrow of moved value
|
||
|
|
&x.0 .1;
|
||
|
|
//~^ ERROR borrow of moved value
|
||
|
|
}
|
||
|
|
|
||
|
|
fn or_pattern_borrows_all(mut x: ((String, String),)) {
|
||
|
|
let r = match x {
|
||
|
|
((ref y, _) | (_, ref y),) => y,
|
||
|
|
};
|
||
|
|
&mut x.0 .0;
|
||
|
|
//~^ ERROR cannot borrow
|
||
|
|
&mut x.0 .1;
|
||
|
|
//~^ ERROR cannot borrow
|
||
|
|
drop(r);
|
||
|
|
}
|
||
|
|
|
||
|
|
fn or_pattern_borrows_all_mut(mut x: ((String, String),)) {
|
||
|
|
let r = match x {
|
||
|
|
((ref mut y, _) | (_, ref mut y),) => y,
|
||
|
|
};
|
||
|
|
&x.0 .0;
|
||
|
|
//~^ ERROR cannot borrow
|
||
|
|
&x.0 .1;
|
||
|
|
//~^ ERROR cannot borrow
|
||
|
|
drop(r);
|
||
|
|
}
|
||
|
|
|
||
|
|
fn let_or_pattern_moves_all(x: ((String, String),)) {
|
||
|
|
let ((y, _) | (_, y),) = x;
|
||
|
|
&x.0 .0;
|
||
|
|
//~^ ERROR borrow of moved value
|
||
|
|
&x.0 .1;
|
||
|
|
//~^ ERROR borrow of moved value
|
||
|
|
}
|
||
|
|
|
||
|
|
fn let_or_pattern_borrows_all(mut x: ((String, String),)) {
|
||
|
|
let ((ref r, _) | (_, ref r),) = x;
|
||
|
|
&mut x.0 .0;
|
||
|
|
//~^ ERROR cannot borrow
|
||
|
|
&mut x.0 .1;
|
||
|
|
//~^ ERROR cannot borrow
|
||
|
|
drop(r);
|
||
|
|
}
|
||
|
|
|
||
|
|
fn let_or_pattern_borrows_all_mut(mut x: ((String, String),)) {
|
||
|
|
let ((ref mut r, _) | (_, ref mut r),) = x;
|
||
|
|
&x.0 .0;
|
||
|
|
//~^ ERROR cannot borrow
|
||
|
|
&x.0 .1;
|
||
|
|
//~^ ERROR cannot borrow
|
||
|
|
drop(r);
|
||
|
|
}
|
||
|
|
|
||
|
|
fn main() {}
|