Type parameter transformation, StaticArray with blade indexing

[sairus7]

See how it is done in OffsetArrays.jl

Also, I have asked similar question for custom array types here:

Recipe for custom array types with metadata bound to it

I want to implement custom array type with some additional fields to store useful metadata information bound to that array. But, similar to OffsetArrays.jl, I want to implement it for any AbstractArray subtype (simple array, AxisArray, StructArray, CircularBuffer, etc.). To do that, I should write something like OffsetArray source: mutable struct MyArray{T,N,AA<:AbstractArray} <: AbstractArray{T,N} array::AA useful_data1::Int64 useful_data2::String # and maybe another useful da…