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Re: Booleans compared to strings

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Am 14.05.2013 22:17, schrieb The Natural Philosopher:
> On 14/05/13 20:36, M. Strobel wrote:
>> Am 14.05.2013 00:28, schrieb The Natural Philosopher:
>>> On 13/05/13 22:46, Thomas 'PointedEars' Lahn wrote:
>>>> M. Strobel wrote:
>>>>
>>>>> Am 13.05.2013 22:24, schrieb Doug Cassidy:
>>>>>> On Monday, May 13, 2013 6:13:11 AM UTC-7, Jerry Stuckle wrote:
>>>>>>> On 5/13/2013 8:29 AM, Doug Cassidy wrote:
>>>>>>>> I dont see why boolean true is equal to string false in any way.
>>>>>>> A string comparison returns false only if the string is NULL, is an
>>>>>>> empty string ('') or contains a zero ('0').  All other values (including
>>>>>>> 'false') are true.
>>>>>> got it, thanks
>>>>> My favourite link to comparison in PHP is
>>>>> http://www.php.net/manual/en/types.comparisons.php
>>>>> where you have also the "if ($x)" results.
>>>>>
>>>>> Highly recommended.
>>>> Slighty off, though, because “if” is _not_ a function.
>>> Semantics. It behaves like one, takes two variables and returns a value.
>>>
>>> In FORTH its like any other function IIRC, But then everything is a function , in
>>> forth :-)
>> Hmm, in Forth you do 0= or something, then "if" takes a flag off the stack and does a
>> branch/jump to the else address if the flag is false.
>>
>> Not easy to see it as a function.
> try writing the FORTH interpreter...
>> /Str.
>>
> 
> 
No problem, did it in /370 assembly. You mean because it is an immediate word? but it
is not a function, it does not return a value, only side effects.

/Str.

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Booleans compared to strings Doug Cassidy <doug@dougcassidy.com> - 2013-05-13 05:29 -0700
  Re: Booleans compared to strings Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-13 09:13 -0400
    Re: Booleans compared to strings Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-13 17:22 +0200
    Re: Booleans compared to strings Doug Cassidy <doug@dougcassidy.com> - 2013-05-13 13:24 -0700
      Re: Booleans compared to strings "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2013-05-13 23:22 +0200
        Re: Booleans compared to strings Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-13 23:46 +0200
          Re: Booleans compared to strings The Natural Philosopher <tnp@invalid.invalid> - 2013-05-13 23:28 +0100
            Re: Booleans compared to strings Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-14 00:41 +0200
            Re: Booleans compared to strings Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-13 18:56 -0400
            Re: Booleans compared to strings "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2013-05-14 21:36 +0200
              Re: Booleans compared to strings The Natural Philosopher <tnp@invalid.invalid> - 2013-05-14 21:17 +0100
                Re: Booleans compared to strings "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2013-05-15 21:34 +0200
        Re: Booleans compared to strings The Natural Philosopher <tnp@invalid.invalid> - 2013-05-13 23:26 +0100
          Re: Booleans compared to strings Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-13 18:57 -0400
  Re: Booleans compared to strings Robert Heller <heller@deepsoft.com> - 2013-05-13 08:57 -0500
    Re: Booleans compared to strings Doug Cassidy <doug@dougcassidy.com> - 2013-05-13 13:23 -0700
  Re: Booleans compared to strings Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-13 17:18 +0200
    Re: Booleans compared to strings The Natural Philosopher <tnp@invalid.invalid> - 2013-05-13 23:21 +0100

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