16 lines
232 B
Rust
16 lines
232 B
Rust
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struct closure_box {
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cl: &fn();
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}
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fn box_it(x: &r/fn()) -> closure_box/&r {
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closure_box {cl: x}
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}
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fn main() {
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let mut i = 3;
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let cl_box = box_it(|| i += 1);
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assert i == 3;
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cl_box.cl();
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assert i == 4;
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}
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