banyan · December 24, 2009 15:54
diff --git a/recursive_1.rb b/recursive_1.rb
 [1, 2, 3, 4, 5].each do |i|
  p i * 2
 end

 #2
 #4
 #6
 #8
 #10

 # 同じことを再帰を使って表現する

 def rec(ary)
  return if ary.empty?
  p ary[0] * 2
  rec(ary.slice(1..-1))
 end

 rec([1,2,3,4,5])
	[1, 2, 3, 4, 5].each do \|i\|
	p i * 2
	end

	#2
	#4
	#6
	#8
	#10

	# 同じことを再帰を使って表現する

	def rec(ary)
	return if ary.empty?
	p ary[0] * 2
	rec(ary.slice(1..-1))
	end

	rec([1,2,3,4,5])
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