Article: Writing Julia style multiple dispatch code in D

[data pulverizer via Digitalmars-d-announce]

On Wednesday, 30 August 2017 at 17:14:37 UTC, data pulverizer 
wrote:
> 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}:
>  Cat()
>  Dog()
>  Cat()

p.p.s

typeof(x[1]) # returns Cat

so it isn't really polymorphism - the object is never converted 
to the "parent" type! Lol ... sorry for the confusion!
> Which is polymorphism