11 lines
355 B
Rust
11 lines
355 B
Rust
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fn main() {
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// If we are careful, we can exploit data layout...
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let raw = unsafe {
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std::mem::transmute::<&[u8], [usize; 2]>(&[42])
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};
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let ptr = raw[0] + raw[1];
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let ptr = ptr as *const u8;
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// The pointer is one-past-the end, but we decrement it into bounds before using it
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assert_eq!(unsafe { *ptr.offset(-1) }, 42);
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}
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