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class Demo
@@var = 99
CONST = 1.23
private
def private_method
end
protected
def protected_method
end
public
def public_method
@inst = 1
i = 1
j =2
local_variables
end
def Demo.class_method
end
end
Demo.private_instance_methods(false) # ["private_method"]
Demo.protected_instance_methods(false) # ["protected_method"]
Demo.public_instance_methods(false) # ["public_method"]
Demo.singleton_methods(false) # ["class_method"]
Demo.class_variables # ["@@var"]
Demo.constants
Demo.superclass.constants # ["CONST"]
demo = Demo.new
demo.instance_variables # []
# Get 'public_method' to return its local variables
# and set an instance variable
demo.public_method # ["i", "j"]
demo.instance_variables # ["@inst"]
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