From: "Iñaki Baz Castillo" <ibc@...>
Date: 2010-01-21T22:46:48+09:00
Subject: Re: Unexpected Hash#first return under Ruby1.9

El Jueves, 21 de Enero de 2010, Jeff Peng escribió:
> 在 2010-01-21四的 22:22 +0900，Iñaki Baz Castillo写道：
> 
> > Hi, Ruby 1.9 implements "first" method for Hash (as Hash are ordered
> > now). However the return value if a bit annoying for me. A real example:
> >
> > irb> h = {"aaa"=>"AAA", "bbb"=>"BBB"}
> > irb> h.first
> > ["aaa", "AAA"]
> 
> Since the result is an array you can access its element with the array
> way:
> 
> irb(main):007:0> h.first[1]
> => "AAA"

Sure. I just expected Hash#first returning the first valule rather than the 
first [key,value] entry.



-- 
Iñaki Baz Castillo <ibc@aliax.net>