17 lines
458 B
Rust
17 lines
458 B
Rust
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// compile-flags:--borrowck=err
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// xfail-pretty -- comments are infaithfully preserved
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fn main() {
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let mut x = none;
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alt x { //! NOTE loan of mutable local variable granted here
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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(i) {
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x = some(1); //! ERROR cannot assign to mutable local variable due to outstanding loan
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}
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}
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}
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