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Status Not under consideration
Workspace PL/I Compilers
Created by Guest
Created on Aug 28, 2019

RELATED IDEAS

New builtins SELECTVALUE and SELECTWHEN

based on builtin IFTHENELSE(expr, truepart, falsepart) we want to have two new builtins for select-functionality:
SELECTVALUE(expr, value1, result1, value2, result2, ... , otherresult)
SELECTWHEN(whenexpr1, result1, whenexpr2, result2, ... , otherresult)
the returned datatype depends on the coded parts (e.g. bit, alphanumeric or numeric datatype)

Idea priority Medium
  • Guest
    Reply
    |     May 12, 2020

    IFTHENELSE is very useful in converting C code to PL/I (and in writing some new PL/I code), but we're not so sure that adding the complexity of these additional functions to the language is worth the cost (to language complexity amongst other things)

  • Guest
    Reply
    |     Sep 11, 2019

    i don't think introducing such a new construct will improve code (in any way).

    :-)

  • Guest
    Reply
    |     Sep 9, 2019

    SELECTWHEN would be useful to prevent having to write nested IFTHENELSE which could rapidly become unreadable

  • Guest
    Reply
    |     Aug 29, 2019

    What is wrong by putting a normal SELECT statement before the call of MyProc? I decidedly vote "NO" for this.

  • Guest
    Reply
    |     Aug 29, 2019

    What is wrong by putting a normal SELECT statement before the call of MyProc? I decidedly vote "NO" for this.

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