From: Mathieu Bouchard <matju@...>
Date: 2001-10-10T04:45:45+09:00
Subject: [ruby-talk:22340] Re: blocks with min and max

On Wed, 10 Oct 2001, Yukihiro Matsumoto wrote:
> Enumerable#min and #max already work like the former, i.e.
>   largest = collection.max {|obj1, obj2| obj1.attrib <=> obj2.attrib}
> But I now think I should have chosen the latter.
>   largest = collection.max {|obj| obj.attrib}

Then how would this translate to the latter way?

    largest = collection.max {|obj1, obj2|
	r = obj1.foo <=> obj2.foo
	r = nil if r == 0
        r || (obj1.bar <=> obj2.bar)
    }

________________________________________________________________
Mathieu Bouchard                   http://hostname.2y.net/~matju