# Java.

class TruthySome
{  public static void main()
   {  int[] some = { 4, 5, 6 };
      System.out.println( some[ true ] + " " + some[ false ] );
   }
}

truth.java:6: error: incompatible types: boolean cannot be converted t
+o int
      System.out.println( some[ true ] + " " + some[ false ] );
                                ^
truth.java:6: error: incompatible types: boolean cannot be converted t
+o int
      System.out.println( some[ true ] + " " + some[ false ] );
                                                     ^
2 errors


# Rust.

fn main()
{  let some = [ 4, 5, 6 ];
   println!( "{} {}", some[ true ], some[ false ] );
}

  Compiling truth v0.1.0 (/tmp/rust/truth)
error[E0277]: the type `[{integer}]` cannot be indexed by `bool`
 --> src/main.rs:3:29
  |
3 |    println!( "{} {}", some[ true ], some[ false ] );
  |                             ^^^^ slice indices are of type `usize`
+ or ranges of `usize`
  |
  = help: the trait `SliceIndex<[{integer}]>` is not implemented for `
+bool`, which is required by `[{integer}; 3]: Index<_>`
  = note: required for `[{integer}]` to implement `Index<bool>`
  = note: 1 redundant requirement hidden
  = note: required for `[{integer}; 3]` to implement `Index<bool>`

error[E0277]: the type `[{integer}]` cannot be indexed by `bool`
 --> src/main.rs:3:43
  |
3 |    println!( "{} {}", some[ true ], some[ false ] );
  |                                           ^^^^^ slice indices are 
+of type `usize` or ranges of `usize`
  |
  = help: the trait `SliceIndex<[{integer}]>` is not implemented for `
+bool`, which is required by `[{integer}; 3]: Index<_>`
  = note: required for `[{integer}]` to implement `Index<bool>`
  = note: 1 redundant requirement hidden
  = note: required for `[{integer}; 3]` to implement `Index<bool>`

For more information about this error, try `rustc --explain E0277`.
error: could not compile `truth` (bin "truth") due to 2 previous error
+s
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