12 lines
236 B
Rust
12 lines
236 B
Rust
resource finish<T>(arg: {val: T, fin: native fn(T)}) {
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arg.fin(arg.val);
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}
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fn main() {
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let box = @mut 10;
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fn dec_box(&&i: @mut int) { *i -= 1; }
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{ let i <- finish({val: box, fin: dec_box}); }
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assert (*box == 9);
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}
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