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  1. #![allow(unreachable_code)]
  2.  
  3.  
  4. fn main() {
  5.     println!("{:?}", {
  6.         const fn get_drop_glue<T>() -> fn(*const T) { std::mem::drop_in_place::<T> }
  7.     });
  8. }
  9.  
  10.  
  11. /* ~~~~=== stderr ===~~~~
  12.    Compiling playground v0.0.1 (/playground)
  13. error[E0465]: multiple rlib candidates for `debug_unreachable` found
  14.   |
  15. note: candidate #1: /playground/target/debug/deps/libdebug_unreachable-03fa1af676fe0c8a.rlib
  16. note: candidate #2: /playground/target/debug/deps/libdebug_unreachable-ac0b7818575a5ebc.rlib
  17.  
  18. error[E0425]: cannot find value `drop_in_place` in module `std::mem`
  19.  --> src/main.rs:6:65
  20.   |
  21. 6 |         const fn get_drop_glue<T>() -> fn(*const T) { std::mem::drop_in_place::<T> }
  22.   |                                                                 ^^^^^^^^^^^^^ not found in `std::mem`
  23. help: possible candidates are found in other modules, you can import them into scope
  24.   |
  25. 4 | use core::intrinsics::drop_in_place;
  26.   |
  27. 4 | use core::ptr::drop_in_place;
  28.   |
  29. 4 | use std::intrinsics::drop_in_place;
  30.   |
  31. 4 | use std::ptr::drop_in_place;
  32.   |
  33.  
  34. error: aborting due to 2 previous errors
  35.  
  36. Some errors occurred: E0425, E0465.
  37. For more information about an error, try `rustc --explain E0425`.
  38. error: Could not compile `playground`.
  39.  
  40. To learn more, run the command again with --verbose.
  41.  
  42. */
  43.  
  44. /* ~~~~=== stdout ===~~~~
  45.  
  46. */
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