You can define our own datatype to do this. It's one of the most
fundamental tasks in Julia!
immutable CircularArray{T}
arr::Vector{T}
end
Base.getindex(ca::CircularArray, i) = ca.arr[(i-1) % length(ca.arr) + 1]
Base.setindex(...) = ...
...
a = CircularArray([1,2,3])
a[14] # yields 2
Cédric
On Saturday, February 6, 2016 at 7:08:03 PM UTC-5, Ferran Mazzanti wrote:
>
> Hi folks,
>
> I was wondering if it is possible to use in a simple way cyclic arrays in
> Julia? What I'm after is sometbing that understands that the next element
> in a[] after end is a[1], so a[end+1]=a[1], a[end+2]=a[2] etc... I know I
> can index the array with the remainder operator % to achieve this same
> result, but I wonder if one can declare the array directly in one way or
> another to achieve this directly.
>
> Thanks in advance,
>
> Ferran.
>
>