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Re: Method that mutates object

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From jason solomon <solomon.jas@gmail.com>
Newsgroups comp.lang.ruby
Subject Re: Method that mutates object
Date Wed, 25 May 2011 16:03:07 -0500
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Marvin Gülker wrote in post #1001033:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Am 25.05.2011 21:22, schrieb jason solomon:
>>
>> How would you write a method that actually modifies the str object?
>>
>
> Just in addition to what the others said, the method String#clear
> already exists.
>
> =================================================
> $ ri String#clear
> = String#clear
>
> (from ruby core)
> -
> ------------------------------------------------------------------------------
>   string.clear    ->  string
>
> -
>
------------------------------------------------------------------------------
>
> Makes string empty.
>
>        a = "abcde"
>        a.clear    #=> ""
> =================================================
>
> And does exactly what you want it to.
>
> Vale,
> Marvin
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Correct me if I am wrong, String#clear does not exist in Ruby 1.8 and 
earlier.

-- 
Posted via http://www.ruby-forum.com/.

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Thread

Method that mutates object jason solomon <solomon.jas@gmail.com> - 2011-05-25 14:22 -0500
  Re: Method that mutates object Stefano Crocco <stefano.crocco@alice.it> - 2011-05-25 14:28 -0500
    Re: Method that mutates object jason solomon <solomon.jas@gmail.com> - 2011-05-25 15:52 -0500
  Re: Method that mutates object Adam Prescott <adam@aprescott.com> - 2011-05-25 14:31 -0500
  Re: Method that mutates object Quintus <sutniuq@gmx.net> - 2011-05-25 15:45 -0500
    Re: Method that mutates object jason solomon <solomon.jas@gmail.com> - 2011-05-25 16:03 -0500
  Re: Method that mutates object jason solomon <solomon.jas@gmail.com> - 2011-05-25 15:59 -0500
    Re: Method that mutates object Brian Candler <b.candler@pobox.com> - 2011-05-25 16:20 -0500
  Re: Method that mutates object "jay s." <solomon.jas@gmail.com> - 2011-05-25 16:36 -0500
    Re: Method that mutates object 7stud -- <bbxx789_05ss@yahoo.com> - 2011-05-25 17:00 -0500
  Re: Method that mutates object "jay s." <solomon.jas@gmail.com> - 2011-05-26 08:56 -0500
    Re: Method that mutates object Jeremy Bopp <jeremy@bopp.net> - 2011-05-26 09:43 -0500
      Re: Method that mutates object "jay s." <solomon.jas@gmail.com> - 2011-05-26 10:00 -0500
        Re: Method that mutates object Josh Cheek <josh.cheek@gmail.com> - 2011-05-26 13:12 -0500
  Re: Method that mutates object "jay s." <solomon.jas@gmail.com> - 2011-05-26 10:55 -0500
  Re: Method that mutates object "jay s." <solomon.jas@gmail.com> - 2011-05-26 11:07 -0500
    Re: Method that mutates object Jeremy Bopp <jeremy@bopp.net> - 2011-05-26 11:14 -0500
      Re: Method that mutates object "jay s." <solomon.jas@gmail.com> - 2011-05-26 11:30 -0500
    Re: Method that mutates object Gary Wright <gwtmp01@mac.com> - 2011-05-26 16:34 -0500
      Re: Method that mutates object Adam Prescott <adam@aprescott.com> - 2011-05-27 10:57 -0500
      Re: Method that mutates object Christopher Dicely <cmdicely@gmail.com> - 2011-05-28 13:05 -0500
        Re: Method that mutates object Gary Wright <gwtmp01@mac.com> - 2011-05-28 19:29 -0500
          Re: Method that mutates object Gary Wright <gwtmp01@mac.com> - 2011-05-28 21:06 -0500

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