From: Michael Edgar <adgar@...>
Date: 2011-03-04T02:48:10+09:00
Subject: Re: How to assign an element to a hash only if its value is not nil?

Whoa, whoops, completely misread that. Early morning e-mail, disregard.

Michael Edgar
adgar@carboni.ca
http://carboni.ca/

On Mar 3, 2011, at 12:46 PM, Gary Wright wrote:

> 
> On Mar 3, 2011, at 12:38 PM, Michael Edgar wrote:
> 
>> If you don't mind also overwriting the value if the value is false as well as if the value is nil,
>> you can use the common ||= approach:
>> 
>> hash[:key] ||= myvalue
> 
> 
> That is different than what the OP described as it depends on the existing value of hash[:key] but the OP wanted the assignment conditional on the new value ('myvalue').
> 
> Gary Wright