35 lines
634 B
Rust
35 lines
634 B
Rust
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// -*- rust -*-
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import core::sys;
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enum t { make_t(@int), clam, }
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fn foo(s: @int) {
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let count = sys::refcount(s);
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let x: t = make_t(s); // ref up
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alt x {
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make_t(y) {
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log(debug, y); // ref up then down
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}
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_ { #debug("?"); fail; }
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}
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log(debug, sys::refcount(s));
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assert (sys::refcount(s) == count + 1u);
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}
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fn main() {
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let s: @int = @0; // ref up
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let count = sys::refcount(s);
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foo(s); // ref up then down
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log(debug, sys::refcount(s));
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let count2 = sys::refcount(s);
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let _ = sys::refcount(s); // don't get bitten by last-use.
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assert count == count2;
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}
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