From: ruvim.pinka@gmail.com   
      
   On 2024-10-13 09:27, dxf wrote:   
   > 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.   
      
   And what is your *reason* to do otherwise in this case? ))   
      
      
   --   
   Ruvim   
      
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