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Destructors do not run when implemented on unit-like structs #6861

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bstrie opened this issue May 31, 2013 · 1 comment
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Destructors do not run when implemented on unit-like structs #6861

bstrie opened this issue May 31, 2013 · 1 comment

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@bstrie
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bstrie commented May 31, 2013 

struct Bomb;

impl Drop for Bomb {
    fn finalize(&self) {
        println("Somebody set up us the bomb!");  // this is never printed
    }
}

fn main() {
    let b = Bomb;
    println(fmt!("b = %?", b));
}

Adding a single field like { a: int } to the struct makes it print the expected message.
This was referenced Jun 1, 2013
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bors added a commit that referenced this issue Jun 1, 2013
@bors
auto merge of #6889 : luqmana/rust/unit-struct-drop, r=catamorphism
c35b7b5 
Fixes #6861
luqmana added a commit to luqmana/rust that referenced this issue Jun 1, 2013
@luqmana
Add test for rust-lang#6861
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luqmana commented Jun 1, 2013

Fixed by #6889.

@luqmana luqmana closed this as completed Jun 1, 2013
flip1995 pushed a commit to flip1995/rust that referenced this issue Jul 11, 2024
@bors
Auto merge of rust-lang#12983 - frp:manual_rotate, r=llogiq
0abcd34 
Implement a lint to replace manual bit rotations with rotate_left/rot…

Fixes rust-lang#6861

r? `@llogiq`

---

changelog: add [`manual_rotate`] lint
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