29 lines
619 B
Rust
29 lines
619 B
Rust
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#[repr(C)]
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#[derive(Debug)]
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struct PairFoo {
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fst: Foo,
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snd: Foo,
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}
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#[derive(Debug)]
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struct Foo(u64);
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fn reinterstruct(box_pair: Box<PairFoo>) -> Vec<Foo> {
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let ref_pair = Box::leak(box_pair) as *mut PairFoo;
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let ptr_foo = unsafe { &mut (*ref_pair).fst as *mut Foo };
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unsafe {
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Vec::from_raw_parts(ptr_foo, 2, 2)
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}
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}
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fn main() {
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let pair_foo = Box::new(PairFoo {
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fst: Foo(42),
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snd: Foo(1337),
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});
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println!("pair_foo = {:?}", pair_foo);
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for (n, foo) in reinterstruct(pair_foo).into_iter().enumerate() {
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println!("foo #{} = {:?}", n, foo);
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}
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}
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