From: ladylazy@...
Date: 2006-01-06T05:26:05+09:00
Subject: Re: Overridden Array#[]= method returns unexpected value

> On Jan 5, 2006, at 1:54 PM, ladylazy@teramail.com wrote:
>
>> I overrode Array#[]= like this on irb
>>
>> class MyArray < Array
>> alias oldArraySetter []=
>> def []= (i,o)
>> self.oldArraySetter(o,i)
>> return i
>> end
>> end
>> => nil
>> irb(main):008:0> ma = MyArray.new
>> => []
>> irb(main):009:0> ma[1] = 0
>> => 0
>> irb(main):010:0> ma["asdf"] = 1
>> => 1
>> irb(main):011:0> ma
>> => [1, "asdf"]
>>
>> I think the expression ma[1] = 0 should return 1 and ma["asdf"] = 1
>> should return "asdf" but they don't.
>> Anyone knows why and what should I do?
>
> Assignment always results in the value that was assigned in Ruby.  We
> are not allowed to change this.
>
> Perhaps if you explained what you are trying to accomplish, we could
> give an idea or two...
>
> James Edward Gray II
>
>

I'm just studying now .Thank you.