From: Daniel Schierbeck <daniel.schierbeck@...>
Date: 2007-02-10T05:26:47+09:00
Subject: Re: nicer way to convert array of int to array of string

On Sat, 2007-02-10 at 05:02 +0900, S Kanakakorn wrote:
> Hi,
> 
> I'm quite new in Ruby.  Here is what I wrote to convert array of
> integer to array of string.  I'm sure there is more compact and nicer
> way to do this.  Can I see the "ruby" way here ?
> 
> def convert(intArray)
>   stringArray = []
>   intArray.each do |i|
>     stringArray = stringArray + i.to_s.to_a
>   end
>   return stringArray
> end

  [1, 2, 3, 4].map{|i| i.to_s } #=> ["1", "2", "3", "4"]

#map calls the given block sequentially with each item in the array, and
returns an array containing the values returned by those calls.


Cheers,
Daniel Schierbeck