From: zuerrong <zuerrong@...>
Date: 2011-08-19T16:20:05+09:00
Subject: Re: switch string to object

Thanks for all the helps.
I now got the idea.

2011/8/19 Bartosz Dziewoński <matma.rex@gmail.com>:
> You can just use eval().
>
> hello = "world"
> puts eval("hello")
>
> This is, however, a bad idea, especially if the eval'd string comes
> from the user. You should never have to do that.
>
> -- Matma Rex
>
>
>
> 2011/8/19 zuerrong <zuerrong@gmail.com>:
>> 2011/8/19 Josh Cheek <josh.cheek@gmail.com>:
>>
>>>
>>> hello, in this case, is a variable. Notice that you cannot assign `hello`,
>>> *itself* to a variable. Only the object that `hello` is pointing to (the
>>> string `"world"`)
>>>
>>> Anywhere you use hello, it will be implicitly dereferenced. It is the same
>>> as using the object that it is pointing to. So that means you simply need to
>>> do `puts hello` and it will print "world"
>>>
>>
>>
>> So, no way to translate a string to a variable name? Thanks.
>>
>>
>
>