Deck - double comprehension usage
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defmodule Deck do
def cards do
ranks = [ "2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K", "A" ]
suits = [ "♣", "♦", "♥", "♠" ]
for rank <- ranks, suit <- suits, do: {rank, suit}
end
def random(num) do
random(Deck.cards, num)
|> Enum.shuffle
|> Enum.take(num)
end
def random(cards, num) do
cards
|> Enum.shuffle
|> Enum.take(num)
end
def hands(num_players, num_cards_hand) do
Deck.random(num_players * num_cards_hand)
|> Enum.chunk_every(num_cards_hand)
end
end
IO.inspect Deck.hands 3, 5
Elixir
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