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Re: How to check if the n-th part of an array of Strings exist?

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On 27/10/2011 15:09, Tim Slattery wrote:
> Eric Sosman<esosman@ieee-dot-org.invalid>  wrote:
>
>> On 10/27/2011 3:20 AM, Jussi Piitulainen wrote:
>>> Wojtek writes:
>>>
>>>> You check for the number of "slots" in the array:
>>>>
>>>> if ( index>= 0&&   index<   part.length )
>>>>     do something with part[index]
>>>> else
>>>>     error();
>>>
>>> Shame that (0<= index<   part.length) means something useless instead.
>>
>>      Be thankful that its meaning in Java is more useful than in C.
>
> Please explain that. I'm probably wrong, but I'd think they'd be the
> same.
>
> Evaluate one of the comparisons (not positive which one), resulting in
> a boolean. Convert the boolean to a number to do the other comparison.
> Not very useful.
>

I'd wager that refusing to compile is more useful than meaning something 
useless and confusing, therefore errors-prone.

--
Mayeul

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How to check if the n-th part of an array of Strings exist? jochen2@brenz.com (Jochen Brenzlinger) - 2011-10-25 16:26 +0000
  Re: How to check if the n-th part of an array of Strings exist? Tom McGlynn <taqmcg@gmail.com> - 2011-10-25 09:41 -0700
  Re: How to check if the n-th part of an array of Strings exist? Wojtek <nowhere@a.com> - 2011-10-26 23:37 -0700
    Re: How to check if the n-th part of an array of Strings exist? Jussi Piitulainen <jpiitula@ling.helsinki.fi> - 2011-10-27 10:20 +0300
      Re: How to check if the n-th part of an array of Strings exist? Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-10-27 07:26 -0400
        Re: How to check if the n-th part of an array of Strings exist? Tim Slattery <Slattery_T@bls.gov> - 2011-10-27 09:09 -0400
          Re: How to check if the n-th part of an array of Strings exist? Mayeul <mayeul.marguet@free.fr> - 2011-10-27 15:45 +0200
            Re: How to check if the n-th part of an array of Strings exist? Jussi Piitulainen <jpiitula@ling.helsinki.fi> - 2011-10-27 16:55 +0300
            Re: How to check if the n-th part of an array of Strings exist? Gene Wirchenko <genew@ocis.net> - 2011-10-27 10:37 -0700
              Re: How to check if the n-th part of an array of Strings exist? Tassilo Horn <tassilo@member.fsf.org> - 2011-10-27 21:31 +0200
            Re: How to check if the n-th part of an array of Strings exist? Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-10-27 21:25 -0400
              Re: How to check if the n-th part of an array of Strings exist? Jussi Piitulainen <jpiitula@ling.helsinki.fi> - 2011-10-28 10:08 +0300
  Re: How to check if the n-th part of an array of Strings exist? Roedy Green <see_website@mindprod.com.invalid> - 2011-10-28 06:20 -0700
  Re: How to check if the n-th part of an array of Strings exist? Arne Vajhøj <arne@vajhoej.dk> - 2011-11-06 14:54 -0500

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