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nwatth/composition-resolve-1.rb

Last active March 6, 2019 18:17
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composition-resolve-1.rb
class Animal
def move
raise NoMethodError
end
end
class Walkable
def move
'walking'
end
end
class Swimmable
def move
'swimming'
end
end
class Flyable
def move
'flying'
end
end
class Pig < Animal
end
class Dog < Animal
end
class Cat < Animal
end
class Fish < Animal
end
class Bird < Animal
end
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