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Jeweller-Tsai/weekdays_in_july.ex

Last active August 6, 2016 04:06
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weekdays_in_july.ex
def july do
1..31
|> Enum.map(fn i ->
{:ok, d} = Date.new 2016, 7, i
d
end)
|> Enum.filter(fn d ->
!weekend?(d)
end)
end
def weekend? date do
weekday = date |> Date.to_erl |> :calendar.day_of_the_week
weekday > 5
end
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