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30 lines
381 B
Rust
30 lines
381 B
Rust
// run-pass
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#![allow(non_camel_case_types)]
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use std::cell::Cell;
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struct r<'a> {
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b: &'a Cell<isize>,
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}
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impl<'a> Drop for r<'a> {
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fn drop(&mut self) {
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self.b.set(self.b.get() + 1);
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}
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}
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fn r(b: &Cell<isize>) -> r {
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r {
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b: b
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}
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}
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pub fn main() {
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let b = &Cell::new(0);
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{
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let _p = Some(r(b));
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}
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assert_eq!(b.get(), 1);
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}
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