From: Florian Frank <flori@...>
Date: 2006-04-14T12:27:49+09:00
Subject: Re: Rubyesque way to do multiple <=>

Victor Shepelev wrote:

>def <=> (other)
>  res = ComplexCustomComparator.compare(sex, other.sex)
>  return res if res != 0  
>  
>  #if they have the same sex, do other comparisons
>end
>
>Foooooo!
>
>How can I do the former in more elegant way?
>  
>
def <=> (other)
  ComplexCustomComparator1.compare(sex, other.sex).nonzero? ||
  ComplexCustomComparator2.compare(age, other.age).nonzero? ||
  # ...
  ComplexCustomComparatorn.compare(foo, other.foo)
end