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lib/xlsx_reader/array.ex
defmodule XlsxReader.Array do
@moduledoc false
@type t :: :array.array()
@type t(type) :: :array.array(type)
def from_list(list) do
:array.from_list(list, nil)
end
def insert(array, index, value) do
:array.set(index, value, array)
end
def lookup(array, index, default \\ nil) do
case :array.get(index, array) do
:undefined ->
default
value ->
value
end
end
end