Hello ruby-talk,

some suggestions for ruby:

1. list comprehension

{ |x<-0...n| x*2 }
{ |n, x<-0...n, y<-0..x| [x,y] }

2. default argument name to block/method

map {_*2}  list  # same as map {|x| x*2} list
map {_.lc} list  # same as map {|x| x.lc} list
def x2 => _*2    # def x2(x); x*2; end

-- 
Best regards,
 Bulat                          mailto:bulatz / integ.ru