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class Object
# The hidden singleton lurks behind everyone
def singleton_class; class << self; self; end; end
def meta_eval(&blk); singleton_class.instance_eval(&blk); end
# Adds methods to a singleton_class
def meta_def(name, &blk)
meta_eval { define_method name, &blk }
end
# Remove singleton_class methods.
def meta_undef(name, &blk)
meta_eval { remove_method name }
end
# Defines an instance method within a class
def class_def(name, &blk)
class_eval { define_method name, &blk }
end
end
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