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block-apply-method.rb

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nirvdrum-patch-1

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block-apply-method.rb

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require "benchmark/ips"

def do_something(n)

4*n + 2

end

def fast

[1, 2, 3].map { |n| do_something(n) }

end

def slow

[1, 2, 3].map(&method(:do_something))

end

Benchmark.ips do |x|

x.report("normal") { fast }

x.report("&method") { slow }

x.compare!

end