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path: root/lib/irb/cmd/measure.rb
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2021-07-13[ruby/irb] Add an explanation of default sub commands of "measure", which ↵aycabta
are :time and :stackprof https://github.com/ruby/irb/commit/759be5a344
2021-02-06[ruby/irb] Allow "measure" command to take blockaycabta
https://github.com/ruby/irb/commit/20f1ca23e9
2020-12-24[ruby/irb] Try not to register the exact same measuring method twiceaycabta
https://github.com/ruby/irb/commit/cc66b5573e
2020-12-22[ruby/irb] Suppress "shadowing outer" warningaycabta
https://github.com/ruby/irb/commit/27b149c599
2020-12-22[ruby/irb] Support arg for measure commandaycabta
https://github.com/ruby/irb/commit/b43f35d8f3
2020-12-20[ruby/irb] Add measure commandaycabta
You can use "measure" command to check performance in IRB like below: irb(main):001:0> 3 => 3 irb(main):002:0> measure TIME is added. => nil irb(main):003:0> 3 processing time: 0.000058s => 3 irb(main):004:0> measure :off => nil irb(main):005:0> 3 => 3 You can set "measure :on" by "IRB.conf[:MEASURE] = true" in .irbrc, and, also, set custom performance check method: IRB.conf[:MEASURE_PROC][:CUSTOM] = proc { |context, code, line_no, &block| time = Time.now result = block.() now = Time.now puts 'custom processing time: %fs' % (Time.now - time) if IRB.conf[:MEASURE] result } https://github.com/ruby/irb/commit/3899eaf2e2