anchor.diff:    =>  intOr(integer, other);
   
   $dart$core.int intOr($dart$core.int integer, $dart$core.int other)
  -  => integer.toSigned(32) | other.toSigned(32);
  +  =>  integer.toSigned(32) | other.toSigned(32);
   
   $dart$core.int $package$intAnd($dart$core.int integer, $dart$core.int other)
     =>  intAnd(integer, other);
  
positive.code:   =>  intSet(integer, index, bit);
  
  $dart$core.int intSet($dart$core.int integer, $dart$core.int index, $dart$core.bool bit) {
      if (index < 0 || index > 31) {
        // Match JS behavior, for now
        // https://github.com/ceylon/ceylon/issues/5799
        //return new Integer(_value.toSigned(32));
      return integer;
      }
      $dart$core.int mask = (1 << index).toSigned(32);
      if (bit) {
      return integer.toSigned(32) | mask;
      }
      else {
      return integer.toSigned(32) & ~mask;
      }
    }
  
  $dart$core.int $package$intFlip($dart$core.int integer, $dart$core.int index)
    =>  intFlip(integer, index);
  
  $dart$core.int intFlip($dart$core.int integer, $dart$core.int index) {
      if (index < 0 || index > 31) {
        // Match JS behavior, for now
        // https://github.com/ceylon/ceylon/issues/5799
        //return new Integer(_value.toSigned(32));
      return integer;
      }
      $dart$core.int mask = (1 << index).toSigned(32);
    return integer.toSigned(32) ^ mask;
  }
  
  
negative.code:       // For interop, dart$Calable's may be used directly as Functions, so handle the
        // non-variadic case that is normally avoided in `get f` above.
        if (_variadicIndex == -1) {
          return $dart$core.Function.apply(_function, invocation.positionalArguments, null);
        }
  
        var inArgs = invocation.positionalArguments;
  