#![allow(unreachable_code)]


fn main() {
    let b = Box::new([1, 2u8]) as Box<[u8]>;
    let fat_ptr = Box::into_raw(b);
    let thin_ptr = fat_ptr as *mut u8;
    let b2 = unsafe {
        let s = ::std::slice::from_raw_parts_mut(thin_ptr, 2);
        Box::from_raw(s)
    };
    println!("{:?}", b2);
}


/* ~~~~=== stderr ===~~~~
   Compiling playground v0.0.1 (/playground)
error[E0599]: no method named `into_raw` found for type `std::boxed::Box<[u8]>` in the current scope
 --> src/main.rs:6:60
  |
6 |         let b = Box::new([1, 2]) as Box<[u8]>; let ptr = b.into_raw(); let s = ::std::slice::from_raw_parts(ptr, 2); Box::from_raw(s)
  |                                                          --^^^^^^^^
  |                                                          | |
  |                                                          | this is an associated function, not a method
  |                                                          help: use associated function syntax instead: `std::boxed::Box<[u8]>::into_raw`
  |
  = note: found the following associated functions; to be used as methods, functions must have a `self` parameter
  = note: the candidate is defined in an impl for the type `std::boxed::Box<_>`

error[E0308]: mismatched types
 --> src/main.rs:6:132
  |
6 |         let b = Box::new([1, 2]) as Box<[u8]>; let ptr = b.into_raw(); let s = ::std::slice::from_raw_parts(ptr, 2); Box::from_raw(s)
  |                                                                                                                                    ^ types differ in mutability
  |
  = note: expected type `*mut _`
             found type `&[_]`

error: aborting due to 2 previous errors

Some errors occurred: E0308, E0599.
For more information about an error, try `rustc --explain E0308`.
error: Could not compile `playground`.

To learn more, run the command again with --verbose.

*/

/* ~~~~=== stdout ===~~~~

*/