On Tue, 28 Jun 2022 17:05:40 -0500, Dale R. Smith wrote:
>On Tue, 28 Jun 2022 14:00:32 -0700, Charles Mills <[email protected]> wrote:
>
>Call Function arg1, arg2... Sets REXX special variable "result" to whatever
>value Function returns
>
(and DROPs "result" if Function returns no value.)
>I sometimes use the "If Function(arg1,arg2...)" , but only if it's very
>obvious that I'm jut testing the returned value.
>
When is that not "very obvious?"
>I don't like it for SYSCALLS because it's not obvious that "If SYSCALLS('ON')"
>is not just testing the returned value, but it also establishes the SYSCALL
>environment.
>
Side effect. Do you similarly dislike
X = value( Y, Z )
???
--
gil
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