mirror of https://github.com/rust-lang/rust
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
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// unreachable ones.
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fn or_pattern_moves_all(x: ((String, String),)) {
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match x {
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((y, _) | (_, y),) => (),
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}
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&x.0 .0;
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//~^ ERROR borrow of moved value
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&x.0 .1;
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//~^ ERROR borrow of moved value
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}
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fn or_pattern_borrows_all(mut x: ((String, String),)) {
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let r = match x {
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((ref y, _) | (_, ref y),) => y,
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};
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&mut x.0 .0;
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//~^ ERROR cannot borrow
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&mut x.0 .1;
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//~^ ERROR cannot borrow
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drop(r);
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}
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fn or_pattern_borrows_all_mut(mut x: ((String, String),)) {
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let r = match x {
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((ref mut y, _) | (_, ref mut y),) => y,
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};
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&x.0 .0;
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//~^ ERROR cannot borrow
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&x.0 .1;
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//~^ ERROR cannot borrow
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drop(r);
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}
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fn let_or_pattern_moves_all(x: ((String, String),)) {
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let ((y, _) | (_, y),) = x;
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&x.0 .0;
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//~^ ERROR borrow of moved value
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&x.0 .1;
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//~^ ERROR borrow of moved value
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}
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fn let_or_pattern_borrows_all(mut x: ((String, String),)) {
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let ((ref r, _) | (_, ref r),) = x;
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&mut x.0 .0;
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//~^ ERROR cannot borrow
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&mut x.0 .1;
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//~^ ERROR cannot borrow
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drop(r);
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}
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fn let_or_pattern_borrows_all_mut(mut x: ((String, String),)) {
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let ((ref mut r, _) | (_, ref mut r),) = x;
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&x.0 .0;
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//~^ ERROR cannot borrow
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&x.0 .1;
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//~^ ERROR cannot borrow
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drop(r);
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}
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fn main() {}
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