From: Dossy <dossy@...>
Date: 2002-09-02T01:28:48+09:00
Subject: Re: Ruby aesthetic

I can't tell who originally wrote this, but:
> >>I'll conclude with one (new) feature from Python that makes me green with
> >>envy: list comprehensions.  For those who don't know what that means,
> >>here's an example:
> >>
> >>Ruby:  squares_less_than_10 = numbers.find_all{|i| i<10}.map{|i| i^2}
> >>
> >>Python: squares_less_than_10 = [x^2 for x in numbers if x < 10]

What about this in Ruby, instead:

    squares_less_than_10 = numbers.collect { |x| x**2 if x < 10 } - [nil]

-- Dossy

-- 
Dossy Shiobara                       mail: dossy@panoptic.com 
Panoptic Computer Network             web: http://www.panoptic.com/ 
  "He realized the fastest way to change is to laugh at your own
    folly -- then you can let go and quickly move on." (p. 70)