HashNuke · May 22, 2011 02:13
diff --git a/ruby_binding_tryout b/ruby_binding_tryout
 > binding
 #<Binding:0x0000000140aa28>

 > binding.class
 => Binding

 > respond_to? :binding
 false

 > defined? binding
 "method"

 > Object.binding
 NoMethodError: private method `binding' called for Object:Class
diff --git a/var_scope.rb b/var_scope.rb
 msg = "hello"

 def say
   puts msg
 end

 say
 # throws NameError since msg is not in scope
diff --git a/var_scope2.rb b/var_scope2.rb
 msg = "hello"

 def say(scope)
   eval "puts msg", scope
 end

 say(binding)
 # prints hello
	> binding
	#<Binding:0x0000000140aa28>

	> binding.class
	=> Binding

	> respond_to? :binding
	false

	> defined? binding
	"method"

	> Object.binding
	NoMethodError: private method `binding' called for Object:Class
	msg = "hello"

	def say
	puts msg
	end

	say
	# throws NameError since msg is not in scope