From: Dominic Son <dominicson@...>
Date: 2006-09-20T05:48:11+09:00
Subject: Re: => A newb question

Thanks for the clarification. I feel like an enlightened newbie right 
now.


John Gabriele wrote:
> On 9/19/06, Dominic Son <dominicson@gmail.com> wrote:
>> why did matz choose to use '=>' to declare things instead of just making
>> them all '=' ?
> 
> '=>' isn't for assignment, per se. It's the syntax you use when defining 
> a hash:
> 
> irb(main):001:0> h = {'foo' => 3, 'bar' => 1.05457e-34}
> => {"foo"=>3, "bar"=>1.05457e-34}
> irb(main):002:0> h['bar']
> => 1.05457e-34
> 
>> he cut our time marginally by letting us not put a ';' at the end of a
>> line, but now we have to  put a '>' with '='...
> 
> Not sure what you're talking about there.
> 
>> (i'm gonna guess a = operator is for assigning a value, whereas a => is
>> for assigning symbols? )
> 
> Well, I guess with "=>", you're assigning a value to a key in a hash. :)
> 
> Remember, when you're passing a hash into a method you may often omit
> the curlies.
> 
> ---John


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