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Re: Re: Re: Re: (Golf) Reversing RPN Notation

by MeowChow (Vicar)
on May 21, 2001 at 21:10 UTC ( #82015=note: print w/replies, xml ) Need Help??


in reply to Re: Re: Re: (Golf) Reversing RPN Notation
in thread (Golf) Reversing RPN Notation

The purpose of associativity is to resolve ambiguities between operators of equal precedence. Associativity isn't specified on a "yes/no" basis, but on left-to-right, or right-to-left basis. All trivial arithmetic operators excluding exponentiation are left-to-right.
   MeowChow                                   
               s aamecha.s a..a\u$&owag.print
  • Comment on Re: Re: Re: Re: (Golf) Reversing RPN Notation

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[MidLifeXis]: Most likely it is a code that some undocumented system, hidden behind layers of IT, deep in the bowels of the building under the machine room floor, reads that code to keep a presence switch from going off. :-b
[MidLifeXis]: I think I forgot "running on a farm of commodore 64, vic 20s, trs 80s, and apple ]|[e systems"
[GotToBTru]: oh I know what it is .. but it is a number only slightly useful to me and of no possible use to our customer
[MidLifeXis]: Whew - you just saved the free world. <o)
[GotToBTru]: i guess it's a placeholder, the code will only fill it in if there is nothing else to use
[GotToBTru]: but then .. if you have nothing to say, why not say nothing?
[MidLifeXis]: I have a user who has a lot of say on how some of our processes work that abhors significant blanks. Perhaps that is a part of it. A not-so-obvious "this space intentionally left blank" indicator.

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