principle of least surprise

Bengt Kleberg bengt.kleberg@REDACTED
Tue Nov 22 15:41:46 CET 2005

On 2005-11-22 15:25, Thomas Lindgren wrote:
> Nor do I really see the point of two collections of
> nearly-identical type test primitives (is_X/1 vs X/1).

the question is better stated as why adding is_X/1 when there already 
exists X/1?

afaik the X/1 type test primitives where the only ones in the beginning. 
  is_X/1 where added afterward. backwards compatibility makes X/1 stay.


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