lambda2.rb

lambda2.rb

def argument_check_correct(code)
  code.call("a1","a2")
end

def argument_check_wrong(code)
  code.call("a1")
end

lambda1 = lambda {|a1,a2| puts "proc: arguments received: #{a1}, #{a2.class}"}
argument_check_correct lambda1
argument_check_wrong lambda1
#====== result =========
/Users/tanjunrong/OnlineU/SaaS/Assignments/TestSpace/arg_check_lambda.rb:9: wrong number of arguments (1 for 2) (ArgumentError)
	from /Users/tanjunrong/OnlineU/SaaS/Assignments/TestSpace/arg_check_lambda.rb:6:in `call'
	from /Users/tanjunrong/OnlineU/SaaS/Assignments/TestSpace/arg_check_lambda.rb:6:in `argument_check_wrong'
	from /Users/tanjunrong/OnlineU/SaaS/Assignments/TestSpace/arg_check_lambda.rb:11
proc: arguments received: a1, String