From: Phrogz <phrogz@...>
Date: 2007-08-17T03:49:58+09:00
Subject: Re: Passing two functions as parameters

On Aug 16, 12:40 pm, Frank Meyer <lolz.ll...@gmail.com> wrote:
> Is it possible to pass a function as a parameter?

irb(main):001:0> def hi; puts "hello"; end
=> nil
irb(main):002:0> def earth; puts "world"; end
=> nil
irb(main):003:0> def do2( f1, f2 )
irb(main):004:1>   f1.call
irb(main):005:1>   f2.call
irb(main):006:1> end
=> nil
irb(main):007:0> do2( method(:hi), method(:earth) )
hello
world
=> nil

See also lambda and Proc.new for defining anonymous functions on the
fly.