May I offer an alternative:
def transform([_ | _] = list) do
Map.new(list, fn
{k, [{_, _} | _] = v} -> {k, transform(v)}
{k, {[_ | _] = v}} -> {k, transform(v)}
{k, v} -> {k, v}
end)
end
May I offer an alternative:
def transform([_ | _] = list) do
Map.new(list, fn
{k, [{_, _} | _] = v} -> {k, transform(v)}
{k, {[_ | _] = v}} -> {k, transform(v)}
{k, v} -> {k, v}
end)
end