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10 lines
250 B
Rust
10 lines
250 B
Rust
fn main() {
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let mut op = Some(2);
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match op {
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Some(ref v) => { let a = &mut v; },
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//~^ ERROR cannot borrow `v` as mutable, as it is not declared as mutable
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//~| HELP try removing `&mut` here
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None => {},
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}
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}
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