Hi. Take the following code, best save it locally in your editor:
module Test1
def test1
puts "Hello from Test1"
end
extend self
end
module Test2
module_function
def test2
puts "Hello from Test2"
end
end
module Test3
class << self
def test3
puts "Hello from Test3"
end
end
end
class TestObject
include Test1
include Test2
include Test3
end
Test1.test1
Test2.test2
Test3.test3
# ------------------------
The output is the same in all cases. I understand that when using this
in a class, there is a difference between private and non-private calls.
But my question has not to do with inheritance. Instead, do these 3
things the same as far as a module is concerned, if you would only use
it as a standalone-module?
Right now it seems as if all 3 things do the same and I am confused why
we have 3 ways...
···
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