From: Todd Benson <caduceass@...>
Date: 2008-01-23T12:19:34+09:00
Subject: Re: Determine where a method is being called from?

On Jan 22, 2008 9:00 PM, Todd Benson <caduceass@gmail.com> wrote:
> On Jan 22, 2008 4:47 PM, Ben Johnson <bjohnson@contuitive.com> wrote:
> > Is it possible to determine if a public instance method is being called
> > from an object or within the class?
>
> I think you might need to be a little more specific with your
> question.  A class is also an object.
>
> irb(main):001:0> Class.ancestors
> -> [Class, Module, Object, Kernel]
>
> I don't think it's possible to grab a method's owner, because methods
> can be created in any context on the fly (somebody please correct me
> if I'm wrong).  So, really what you are probably looking for is the
> binding scope.
>
> Just a thought,
>
> Todd

You can also do...

irb(main);001:0> class C
irb(main):002:1>   def self.foo
irb(main):003:2>     puts "in class"
irb(main):004:2>   end
irb(main):005:1>   def foo
irb(main):006:2>     puts "in instance"
irb(main):007:2>   end
irb(main):008:1> end
=> nil
irb(main):009:0> c = C.new
=> #<C:0x2dcadf0>
irb(main):010:0> C.method(:foo)
=> #<Method: C.foo>
irb(main):011:0> c.method(:foo)
=> #<Method: C#foo>

Todd