Julia has this. It’s called OffsetArrays.jl. Ironically, it’s a common source of bugs because library authors don’t always anticipate them and loop over 1:lengt

Julia has this. It’s called OffsetArrays.jl. Ironically, it’s a common source of bugs because library authors don’t always anticipate them and loop over 1:length(A) rather than eachindex(A).