From: Kevin Olbrich <devlists-ruby-talk@...>
Date: 2006-08-20T21:41:53+09:00
Subject: Re: Remove from an array


On Sunday, August 20, 2006, at 7:33 PM, Robert Dober wrote:
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>On 8/20/06, Paul Lutus <nospam@nosite.zzz> wrote:
>>
>> Hal Fulton wrote:
>>
>> > Paul Lutus wrote:
>> >> Nicolas Benady wrote:
>> >>
>> >>
>> >>>Hello,
>> >>>I have an array, let's name it items[]
>> >>>I want to remove an object in a elegant way
>> >>>items.remove(3) does not work
>> >>>How should I do ?
>> >>>Thanks
>> >>>
>> >>
>> >>
>> >> items.delete_at(3)
>> >>
>> >> Just like in the documentation.
>> >>
>> >
>> > Did he want to remove the element at index 3,
>> > or remove instances of 3?
>>
>> I suppose I should have asked that before replying. :)
>>
>> If your theory is correct, then:
>>
>> items.delete_if { |x| x =3D=3D 3 }
>
>items.delete 3
>
>> Removes all items matching "3".
>
>
>as you said
>
>Cheers
>Robert
>
>--
>> Paul Lutus
>> http://www.arachnoid.com
>>
>>
>

This is slightly off-topic, but...

To remove only the first item matching a value of 3, do this..

items.delete_at(items.index(3))

_Kevin
www.sciwerks.com

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