21 lines
350 B
Rust
21 lines
350 B
Rust
// error-pattern: cannot copy pinned type 'a
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resource r(i: @mutable int) {
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*i = *i + 1;
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}
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fn movearg<pin T>(i: T) {
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// Implicit copy to mutate reference i
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let j <- i;
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}
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fn main() {
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let i = @mutable 0;
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{
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let j <- r(i);
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movearg(j);
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}
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log_err *i;
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// nooooooo. destructor ran twice
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assert *i == 2;
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} |