From: James Edward Gray II <james@...>
Date: 2006-02-13T06:38:09+09:00
Subject: Re: How to pass a function as argument in ruby?

On Feb 12, 2006, at 3:23 PM, the_crazy88 wrote:

> But the equivalent ruby code doesn't work:
>
> def a(x,y)
>   return x+y
> end
>
> def x(b)
>   return b(3,4)
> end
>
> x(a)
>  #Gives the following error in irb:

You can ask for a method object and call it when needed:

def a(x,y)
   return x+y
end

def x(b)
   return b.call(3,4)
end

p x(method(:a))

Hope that helps.

James Edward Gray II