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配列の展開

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引数

仮引数でカッコを付けてやるか

def args_array1((a, b))
  puts a
  puts b
end

args_array1(['a', 'b'])

実引数でアスタリスクを付けてやると

def args_array2(a, b)
  puts a
  puts b
end

args_array2(*['a', 'b'])

配列が展開されて渡される。

a
b

代入

配列を展開しつつ代入

full_name = ['阿部', '高和']
last_name, first_name = full_name
puts last_name
puts first_name
阿部
=> nil

高和
=> nil
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