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require 'benchmark/ips'
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h = {:bar => 'uco'}
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Benchmark.ips do |x|
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x.report('fetch with no block') { h.fetch(:bar, (0..9).to_a) }
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x.report('fetch with a block') { h.fetch(:bar) { (0..9).to_a } }
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x.report('brackets with an ||') { h[:bar] || (0..9).to_a }
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end
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