Re: RPG - conversion vs re-write

[CVWD@xxxxxxx]

In a message dated 97-09-11 08:33:26 EDT, you write:

> Okay, here's some code that saves absolutely nothing, but is more 
>  English-like that %NULLID(ddd)=*ON
>  
>  
>       D IsNULL          PR             1S 0
>       D   TestDate                      L   Const
>  
>       PIsNULL           B                   Export
>       D IsNull          PI             1S 0
>       D  TestDate                       L   Const
>       C                   Return    (%NULLID(TestDate)=*ON)
>       PIsNULL           E
>  
>  Using this procedure, you can then do this in Calcs
>  
>  C                  If            IsNull(MyDateFld)
>  C                  /*  do your null-date routine here */
>  C                  endif
>  
>  
>  This would be the same as:
>  
>  C                  If            %NullID(MyDateFld)=*ON
>  C                  /*  do your null-date routine here */
>  C                  endif
>  
>  
>  Now, I suppose the thing that might byte me is the return type on the 
>  procedures. I used a 1-digit signed numeric. I don't know if Indicators
can 
>  automatically be cast to zoned decimals, so if it doesn't work, do a Z-ADD

>  deal right before the return, or similar.
>  
>  

Is all that really worth it?  According to the ILE manual you can just say:

C                  If            %Nullid(MyDateFld)
C                  /*  do your null-date routine here */
C                  endif

What is it you object to so strenuously?  The percent sign?  Just wondering -
Lance.



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