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call-vs-send-vs-method_missing.rb

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require "benchmark/ips"

class MethodCall

def method

end

def method_missing(_method,*args)

method

end

end

def fast

method = MethodCall.new

method.method

end

def slow

method = MethodCall.new

method.send(:method)

end

def slower

method = MethodCall.new

method.not_exist

end

Benchmark.ips do |x|

x.report("call") { fast }

x.report("send") { slow }

x.report("method_missing") { slower }

x.compare!

end