From: Paul Prescod <paul@...>
Date: 2001-10-11T09:04:39+09:00
Subject: [ruby-talk:22411] Re: list comprehensions alike Python ???

Robert Feldt wrote:
> 
>...
> $ irb
> irb(main):001:0> (1..11).map {|v| v*v}
> [1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121]
> 
> Short enough for my taste... (but maybe there are some benefits to the
> Python way? I don't know any Python.)

Out of curiousity, what would the Ruby for this look like:

>>> arr = [x*x for x in range(0,10) if x%2==0]
>>> arr
[0, 4, 16, 36, 64]

A combination of filter and map?

 Paul Prescod