Efficient structure of Unitful arrays

General Usage Performance
, ,
5

The function signature will get long, but there’s no reason you can’t scale this up to multiple type parameters for arrays of multiple types.

struct MyData7{T, T2, T3}
    arr1::Array{T, 3}
    arr2::Array{T2, 3}
    arr3::Array{T3, 3}

    function MyData7(a::AbstractArray{T, 3}, b::AbstractArray{T2, 3}, c::AbstractArray{T3, 3}) where {
                     T <: Quantity{<:Float64}, T2 <: Quantity{<:Int64}, T3 <: Quantity{<:Float64} }
        new{T, T2, T3}(a, b, c)
    end
end

# works 
# julia> MyData7(ones(Float64, (5, 5, 5))u"K", ones(Int64, (5, 5, 5))u"K", ones(Float64, (5, 5, 5))u"K")

# correctly errors 
# julia> MyData7(ones(Int64, (5, 5, 5))u"K", ones(Int64, (5, 5, 5))u"K", ones(Float64, (5, 5, 5))u"K")
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