From: Pit Capitain <pit@...>
Date: 2005-04-13T15:55:10+09:00
Subject: Re: Scope in Method Definitions

Curt Sampson schrieb:
> 
> Presumably there's some theory behind this, but this is a seeming
> inconsistency in the language that I don't understand.
> 
>     foo = "foo"
>     C = Class.new() {
>     def method1; puts foo; end
>     define_method(:method2) { puts foo }
>     }
> 
>     C.new.method2    # prints "foo"
>     C.new.method1    # NameError: undefined local variable or method `foo'
> 
> Can someone explain why this is sensible behaviour?

Your code can be reduced to

   foo = "foo"
   def m1; p foo; end
   m2 = lambda { p foo }

   m2.call  # => "foo"
   m1.call  # => NameError

Does this help?

Regards,
Pit