From: "ergocca001 (ergo cca)" <ergobabyuk@...>
Date: 2012-10-31T17:22:32+09:00
Subject: [ruby-core:48649] [ruby-trunk - Bug #736] Range#include? が遅い


Issue #736 has been updated by ergocca001 (ergo cca).

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Bug #736: Range#include? ���������
https://bugs.ruby-lang.org/issues/736#change-32076

Author: rubikitch (rubikitch .)
Status: Closed
Priority: Normal
Assignee: 
Category: 
Target version: 
ruby -v: 


=begin
 Ruby 1.9���Range#include?���������������������������������������
 
 require 'benchmark'
 RUBY_VERSION                    # => "1.8.7"
 Benchmark.bmbm(10) do |b|
   n = 100
   b.report("include") { n.times{ ("an".."ruby").include? "elf" }}
   b.report("between") { n.times{ "elf".between?("an","ruby") }}
 end
 # >> Rehearsal ---------------------------------------------
 # >> include     0.000000   0.000000   0.000000 (  0.000278)
 # >> between     0.000000   0.000000   0.000000 (  0.000113)
 # >> ------------------------------------ total: 0.000000sec
 # >> 
 # >>                 user     system      total        real
 # >> include     0.000000   0.000000   0.000000 (  0.000233)
 # >> between     0.000000   0.000000   0.000000 (  0.000113)
 
 
 require 'benchmark'
 RUBY_VERSION                    # => "1.9.0"
 Benchmark.bmbm(10) do |b|
   n = 100
   b.report("include") { n.times{ ("an".."ruby").include? "elf" }}
   b.report("between") { n.times{ "elf".between?("an","ruby") }}
 end
 # >> Rehearsal ---------------------------------------------
 # >> include     0.420000   0.000000   0.420000 (  0.417621)
 # >> between     0.000000   0.000000   0.000000 (  0.000116)
 # >> ------------------------------------ total: 0.420000sec
 # >> 
 # >>                 user     system      total        real
 # >> include     0.420000   0.000000   0.420000 (  0.422576)
 # >> between     0.000000   0.000000   0.000000 (  0.000120)
=end



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