From: Srijayanth Sridhar <srijayanth@...>
Date: 2008-07-01T19:46:41+09:00
Subject: Re: Hash#select returns an array but Hash#reject returns a hash...

irb(main):001:0> a=Hash.new
=> {}
irb(main):002:0> a[1]=2
=> 2
irb(main):003:0> a[2]=2
=> 2
irb(main):004:0> a[3]=4
=> 4
irb(main):005:0> a.select { |key,value| value > 2 }
=> [[3, 4]]
irb(main):006:0> a.reject { |key,value| value <= 2 }
=> {3=>4}


On Tue, Jul 1, 2008 at 4:09 PM, Dave Bass <davebass@musician.org> wrote:
> Srijayanth Sridhar wrote:
>> Is there any design reason for select returning an array and reject
>> returning a hash? Why this disparity?
>
> In module Enumerable, both select and reject return an array (according
> to the Pickaxe).
> --
> Posted via http://www.ruby-forum.com/.
>
>