10 lines
218 B
Rust
10 lines
218 B
Rust
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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 immutable
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//~| use `ref mut v` here to make mutable
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None => {},
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}
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}
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