Quick benchmark in IRB

if you want to see how quick/slow a command is in irb you can paste or mixin the following method:

Copydef time(&block) puts Benchmark.measure(&block) end

then

Copytime { something.that_takes_forever  }

with thanks to: https://makandracards.com/makandra/20541-measure-code-execution-time-in-an-irb-or-rails-console