fixnum-shift-fast ( x y -- z )


Vocabulary
math.private

Inputs
xa fixnum
ya fixnum


Outputs
za fixnum


Word description
Primitive version of shift. Unlike fixnum-shift, does not perform an overflow check, so the result may be incorrect.

Warning
This word does not perform type checking, and passing objects of the wrong type can crash the runtime. User code should call the generic word shift instead.


Definition