From: Mike Harris <GENIE@...>
Date: 2006-07-21T09:14:45+09:00
Subject: Re: Using .each with constructors

transfire@gmail.com wrote:

>Robert Dober wrote:
>
>  
>
>>I prefer to write
>>
>>class Class
>>    def *(num)
>>        a = []
>>        num.times do
>>            a << new
>>        end
>>        a
>>     end
>>end
>>    
>>
>
>Hmm...It's too bad that #times below returns 3. It be pretty neat if it
>acted like #map in this respect instead.
>
>  3.times { Object.new }
>  
>
The solution i use to this is (1..3).map { Object.new }.  It's 
elegant/concise enough for me

>Also
>
>  ([lambda{Object.new}]*3).collect{|c| c.call }
>
>and Robert's solution lead me too:
>
>  class Proc
>    def *(i)
>      a = []
>      i.times{ a << call }
>      a
>    end
>  end
>
>  lambda{ Object.new } * 3
>
>Which is pretty versitle. Unforunately I already have Proc#* tied up
>with function composition.
>
>T.
>
>
>
>  
>