b18320446e
Everything should now call ptr::addr_of instead of ptr::p2::addr_of. Only the pipes macro code when compiled by stage0 will call ptr::p2::addr_of. Needs a snapshot to get rid of that.
21 lines
501 B
Rust
21 lines
501 B
Rust
// exec-env:RUST_POISON_ON_FREE=1
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fn borrow(x: &int, f: fn(x: &int)) {
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let before = *x;
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f(x);
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let after = *x;
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assert before == after;
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}
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fn main() {
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let mut x = @{f: ~3};
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do borrow(x.f) |b_x| {
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assert *b_x == 3;
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assert ptr::addr_of(&(*x.f)) == ptr::addr_of(&(*b_x));
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x = @{f: ~4};
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debug!("ptr::addr_of(*b_x) = %x", ptr::addr_of(&(*b_x)) as uint);
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assert *b_x == 3;
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assert ptr::addr_of(&(*x.f)) != ptr::addr_of(&(*b_x));
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}
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} |