Project

General

Profile

Download (1.02 KB)

Bug #16243 » case_vs_if_sum.rb

Eregon (Benoit Daloze), 10/07/2019 08:56 AM

 
# frozen_string_literal: true
require "benchmark/ips"

def deep_dup_case(obj)
case obj
when Integer, Float, TrueClass, FalseClass, NilClass
1
when String
2
when Array
sum = 0
obj.map { |e| sum += deep_dup_case(e) }
sum
when Hash
sum = 0
obj.each_pair do |key, value|
sum += deep_dup_case(key) + deep_dup_case(value)
end
sum
else
1
end
end

def deep_dup_if(obj)
if Integer === obj || Float === obj || TrueClass === obj || FalseClass === obj || NilClass === obj
1
elsif String === obj
2
elsif Array === obj
sum = 0
obj.map { |e| sum += deep_dup_if(e) }
sum
elsif Hash === obj
sum = 0
obj.each_pair do |key, value|
sum += deep_dup_if(key) + deep_dup_if(value)
end
sum
else
obj.dup
end
end


obj = { "class" => "FooWorker", "args" => [1, 2, 3, "foobar"], "jid" => "123987123" }

Benchmark.ips do |x|
x.report("deep_dup_case") do
deep_dup_case(obj)
end

x.report("deep_dup_if") do
deep_dup_if(obj)
end

x.compare!
end
(2-2/2)