From: Tom Sawyer <transami@...>
Date: 2003-01-23T12:44:01+09:00
Subject: Re: Hash#+ ?

On Wednesday 22 January 2003 07:20 pm, Daniel Carrera wrote:
> > David, what value can be lost? i don't understand.
>
> hash1 = { "key1" => "foo", "key2" => "bar" }
> hash2 = { "key1" => "baz", "key3" => "blah" }
> hash1 + hash2 # -> What is the value for "key1"?

i see what youre saying. indeed, + is not really the right method for this.

> I like the idea of Hash#| or Hash#or.  It is simply an 'or' function.
> Whichever comes first has precedence:
>
> hash1 | hash2 # -> "key1" => "foo"
> hash2 | hash1 # -> "key1" => "baz"

i posted this RCR on Ruby Garden but i expect the second hash to have 
precedence. i.e. | is defined as a non in-place #update.

-- 
tom sawyer, aka transami
transami@transami.net


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