Re: Why you shouldn't be afraid to use VARCHAR in RPGLE
Javier Sanchez <[email protected]>
| Newsgroups | gmane.comp.lang.as400.rpg |
|---|---|
| Message-ID | <CAAvhgxLAeMK03qf9Q45bJPYFy2cy1p1VGJHqefUrAfV0v4mBAQ@mail.gmail.com> |
Agreed! Nice idea! What's impotant is the concept of simplicity. You see? Imagination is key to implement simple things! JS El jue, 11 de dic de 2025, 2:51 p.m., Daniel Gross <[email protected]> escribió: > As RPG and C differ in a lot of spaces - I would suggest, to not make it > so "non obvious" as the ternary operator in C - just make it a %BIF - e.g.: > > var = %IF( a = b : trueVal : falseVal ); > > or > > var = %CASE( a = b : trueVal : falseVal ); > > This would be RPG-like - compact - easy to read and understand. > > Regards, > Daniel > > > > Am 11.12.2025 um 21:20 schrieb Javier Sanchez < > [email protected]>: > > > > Brian, > > The "ternary" operator is a very simple concept. Test in one single line > > "a query" that will yield a true or false and return one out of two > values > > that are the ones in the expression after the question mark. > > > > Put it more clear again: > > dcl-s boolVal int(5) inz; // No need more room than two bytes > > dcl-s a int(5) inz(10); > > dcl-s b int(5) inz (15); > > > > boolVal = (a = b ? 1: 0); > > > > I confess, recognize that my initial example was way too fast written. > > This one is more clear. Now, without this ILE RPG TR: > > > > if a = b; > > boolVar = 1; > > else; > > boolVar = 0; > > endif; > > > > 5 lines of code. Sure, very clear, but very unnecessary! > > This is elegance and efficiency. > > Hey guys! For if any of you took care about it, even Einstein was excited > > with his elegant e=mc2, just look a bit at it! > > One single line! Not a function, not code at all, just concept and > > simplicity! > > “Imagination is more important than knowledge. > > For knowledge is limited, whereas imagination embraces the entire world, > > stimulating progress, giving birth to evolution.” > > -- Albert Einstein > > > > JS > > > > > >> El jue, 11 dic 2025 a las 14:01, Brian Parkins (< > [email protected]>) > >> escribió: > >> > >> May I beg to differ? > >> > >> I would suggest many folk will find such an expression too cryptic, > >> especially when maintaining code written by others. It may be efficient, > >> it may be "elegant" - but is it easy to read and understand? Take a very > >> simple example: > >> > >> a = a + 5; -or- a += 5; > >> > >> Personal opinion: the former is more readily understood, the latter not > >> so, and open to miscoding (a =+ 5;). It is my experience that a majority > >> will favour readability in preference to "elegant" coding > >> > >> Brian. > >> > >>> On 11/12/2025 14:14, Javier Sanchez wrote: > >>> BTW, I have wondered a lot why you guys have not yet implemented the > >> C-like > >>> expression as: > >>> boolVal = (a = b ? 0: 1); > >>> This is not only necessary for modern RPG but it should have been > >> provided > >>> long time ago! 🙂 > >> > >> -- > >> This is the RPG programming on IBM i (RPG400-L) mailing list > >> To post a message email: [email protected] > >> To subscribe, unsubscribe, or change list options, > >> visit: https://lists.midrange.com/mailman/listinfo/rpg400-l > >> or email: [email protected] > >> Before posting, please take a moment to review the archives > >> at https://archive.midrange.com/rpg400-l. > >> > >> Please contact [email protected] for any subscription > related > >> questions. > >> > >> > > -- > > This is the RPG programming on IBM i (RPG400-L) mailing list > > To post a message email: [email protected] > > To subscribe, unsubscribe, or change list options, > > visit: https://lists.midrange.com/mailman/listinfo/rpg400-l > > or email: [email protected] > > Before posting, please take a moment to review the archives > > at https://archive.midrange.com/rpg400-l. > > > > Please contact [email protected] for any subscription > related questions. > > > -- > This is the RPG programming on IBM i (RPG400-L) mailing list > To post a message email: [email protected] > To subscribe, unsubscribe, or change list options, > visit: https://lists.midrange.com/mailman/listinfo/rpg400-l > or email: [email protected] > Before posting, please take a moment to review the archives > at https://archive.midrange.com/rpg400-l. > > Please contact [email protected] for any subscription related > questions. > > -- This is the RPG programming on IBM i (RPG400-L) mailing list To post a message email: [email protected] To subscribe, unsubscribe, or change list options, visit: https://lists.midrange.com/mailman/listinfo/rpg400-l or email: [email protected] Before posting, please take a moment to review the archives at https://archive.midrange.com/rpg400-l. Please contact [email protected] for any subscription related questions.