k-hamada · March 14, 2016 03:26
diff --git a/lazy_method_call.rb b/lazy_method_call.rb
 def ok
  puts "ok"
  true
 end

 def ng
  puts "ng"
  false
 end

 [ok, ok, ng, ok].all?
 puts
 [:ok, :ok, :ng, :ok].all?{|check| method(check).call }
 puts
 [:ok, :ok, :ng, :ok].map{|sym| method(sym) }.all?(&:[])
	def ok
	puts "ok"
	true
	end

	def ng
	puts "ng"
	false
	end

	[ok, ok, ng, ok].all?
	puts
	[:ok, :ok, :ng, :ok].all?{\|check\| method(check).call }
	puts
	[:ok, :ok, :ng, :ok].map{\|sym\| method(sym) }.all?(&:[])