From: Paul Jungwirth <once@9stmaryrd.com>
Date: 2009-03-20T20:37:48+09:00
Subject: Re: Passing a named function instead of a code block?

Okay, now how about when you want to reference a method on an instance? 
For example:

#!/usr/bin/env ruby

class Adder
    def initialize(n)
        @n = n
    end

    def use(x)
        x + n
    end
end


a = Adder.new(5)

print [1, 2, 3, 4].collect(&method(:a.use))

This doesn't work. It looks like : binds tighter than .. But :(a.use) 
doesn't work either. Any suggestions?

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