From: dxforth@gmail.com   
      
   On 13/10/2024 3:10 pm, Ruvim wrote:   
   > On 2024-10-13 06:59, dxf wrote:   
   >> On 13/10/2024 1:20 pm, Ruvim wrote:   
   >>> On 2024-10-13 05:13, dxf wrote:   
   >>>> On 13/10/2024 12:54 am, Ruvim wrote:   
   >>>>> On 2024-10-12 05:45, dxf wrote:   
   >>>>>> The basics:   
   >>>>>>   
   >>>>>> : .BAD ( -- )  cr ." Invalid item"  .abort ;   
   >>>>>>   
   >>>>>> : ZE? ( x -- )  if .bad then ;     \ abort if non-zero   
   >>>>>> : NZ? ( x -- )  0= ze? ;           \ abort if zero   
   >>>>>   
   >>>>> Typically, if word name ends with a question mark, the first (top)   
   output parameter of the word is a *flag*. And it's true for all standard   
   words. (though, opposite is not true)   
   >>>>   
   >>>> It's rather similar.   
   >>>>   
   >>>> ZE? NZ?  destructively tests TOS   
   >>>   
   >>> But these words do not return a flag in the first output parameter. So,   
   their names violate the common convention.   
   >>   
   >> Conventions are a guide.  Thankfully they're not yet a law.   
   >>   
   >   
   > Sure. But the mentioned conventions seem good.   
   >   
   > If you are proposing generally useful words, and their names violate a   
   common convention, you could probably explain why it is not worth following   
   that convention in this case (or in general).   
      
   Convention means doing something in a consistent way unless there's a reason   
   to do   
   otherwise.  The standard had no qualms defining the word ? which leaves no   
   flag.   
   I don't feel any less entitled coming up with names that are short and to the   
   point.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)