On Wednesday, 30 August 2017 at 16:45:19 UTC, data pulverizer wrote:
You mentioned Julia in your article, however for clarity I would point out that Julia doesn't have OOP-type polymorphism. There is no notion of being able to do something like:

Animal snoopy = new Dog();

p.s. my bad, I was wrong about that! Turns out you can do something like this in Julia (apologies for the Julia code in a D forum):

abstract type Animal end
struct Dog <: Animal end
struct Cat <: Animal end

x = Array{Animal}(3)
x[1] = Cat(); x[2] = Dog(); x[3] = Cat();
x # returns
3-element Array{Animal,1}:

Which is polymorphism

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