9561def209
Resources are now defined like...
resource fd(int n) { close(n); }
Calling fd with an int will then produce a non-copyable value
that, when dropped, will call close on the given int.
17 lines
287 B
Rust
17 lines
287 B
Rust
resource shrinky_pointer(@mutable int i) {
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*i -= 1;
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}
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fn look_at(&shrinky_pointer pt) -> int {
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ret **pt;
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}
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fn main() {
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auto my_total = @mutable 10;
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{
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auto pt <- shrinky_pointer(my_total);
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assert (look_at(pt) == 10);
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}
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assert (*my_total == 9);
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}
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