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  1. #![allow(unreachable_code)]
  2.  
  3.  
  4. fn main() {
  5.     println!("{:?}", {
  6.         unsafe {std::mem::transmute::<(usize, *mut u8), _>(&mut [1u8; 2] as *mut [u8])}
  7.     });
  8. }
  9.  
  10.  
  11. /* ~~~~=== stderr ===~~~~
  12.    Compiling playground v0.0.1 (/playground)
  13. error[E0308]: mismatched types
  14.  --> src/main.rs:6:60
  15.   |
  16. 6 |         unsafe {std::mem::transmute::<(usize, *mut u8), _>(&mut [1u8; 2] as *mut [u8])}
  17.   |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected tuple, found *-ptr
  18.   |
  19.   = note: expected type `(usize, *mut u8)`
  20.              found type `*mut [u8]`
  21.  
  22. error: aborting due to previous error
  23.  
  24. For more information about this error, try `rustc --explain E0308`.
  25. error: Could not compile `playground`.
  26.  
  27. To learn more, run the command again with --verbose.
  28.  
  29. */
  30.  
  31. /* ~~~~=== stdout ===~~~~
  32.  
  33. */
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