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fschuindt/reduce.exs

Last active July 9, 2016 01:08
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reduce.exs
defmodule Math do
def sum_list(list, accumulator \\ 0)
def sum_list([head | tail], accumulator) do
sum_list(tail, head + accumulator)
end
def sum_list([], accumulator) do
accumulator
end
end
IO.puts Math.sum_list([1, 2, 3])
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