I mean, do I have to cycle through the array and basically clean it of
#NULL before findign the maximium or is there another way?
On Thursday, 13 October 2016 15:42:02 UTC+2, Florian Oswald wrote:
>
> i'm trying to understand why we don't have something similar in terms of
> comparison for Nullable as we have for DataArrays NAtype (below). point me
> to the relevant github conversation, if any, is fine.
>
> How would I implement methods to find the maximium of an
> Array{Nullable{Float64}}? like so?
>
> Base.isless(a::Any, x::Nullable{Float64}) = isnull(x) ? true :
> Base.isless(a,get(x))
>
>
> ~/.julia/v0.5/DataArrays/src/operators.jl:502
>
> #
> # Comparison operators
> #
>
> Base.isequal(::NAtype, ::NAtype) = true
> Base.isequal(::NAtype, b) = false
> Base.isequal(a, ::NAtype) = false
> Base.isless(::NAtype, ::NAtype) = false
> Base.isless(::NAtype, b) = false
> Base.isless(a, ::NAtype) = true
>
>
