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a guest Aug 20th, 2019 66 Never
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  1. use std::num::NonZeroUsize;
  2.  
  3. fn main() {
  4.     println!("{} bytes", std::mem::size_of::<Result<(), NonZeroUsize>>());
  5.     let r: Result<(), NonZeroUsize> = Ok(());
  6.     println!("{} bytes", std::mem::size_of_val(&r));
  7. }
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