Extending arithmetic

[Robert Virding]

Bjorn Gustavsson wrote:
>
> I find the overloading of the size/1 BIF (tuples/binaries) to be much
> worse. It prevents optimizing most uses of size/1, and is not significantly
> easier for the user than two separate size BIFs would be.

That was probbly my fault, at one time I was in to reusing and 
overloading function names. I have grown a little wiser since then! :-)

Robert