20 lines
469 B
Text
20 lines
469 B
Text
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use std::{mem,ptr};
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fn main() {
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let mut data: i32;
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// Rust does not allow us to use uninitialized memory but the STL provides an `unsafe`
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// function to override this protection.
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unsafe {data = mem::uninitialized()}
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// Construct a raw pointer (perfectly safe)
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let address = &mut data as *mut _;
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unsafe {ptr::write(address, 5)}
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println!("{0:p}: {0}", &data);
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unsafe {ptr::write(address, 6)}
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println!("{0:p}: {0}", &data);
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}
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