mirror of https://github.com/rust-lang/rust
19 lines
446 B
Rust
19 lines
446 B
Rust
fn separate_arms() {
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// Here both arms perform assignments, but only one is illegal.
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let mut x = None;
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match x {
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None => {
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// It is ok to reassign x here, because there is in
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// fact no outstanding loan of x!
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x = Some(0);
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}
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Some(ref r) => {
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x = Some(1); //~ ERROR cannot assign to `x` because it is borrowed
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drop(r);
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}
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}
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}
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fn main() {}
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