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darinwilson/ep8.exs

Created January 17, 2016 19:28
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LearnElixir.tv Episode 8 Exercise
Raw
ep8.exs
def join(strs, separator) do
last = List.last(strs)
for str <- strs, into: "" do
if str != last do
str <> separator
else
str
end
end
end
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