Elixir Map vs Erlang :array

[benwilson512]

@stevensonmt

So that I end up with %{0 => %{0 => n_0 ... n => n_n } ... } that I can access with graph[row][col].

You should also try %{{0, 0} => value} that is accessed graph[{row, col}]. I have a feeling this is faster since it’s one lookup not two.