gistfile1.rb

require 'benchmark'

Benchmark.bm(7) do |x|
  x.report("length") { 10.times { Array.new(10_000, 1).length > 0 } }
  x.report("any?") { 10.times { Array.new(10_000, 1).any? } }
end


array = Array.new(10_000, 1)
Benchmark.bm(7) do |x|
  x.report("length") { 100.times { array.length > 0 } }
  x.report("any?") { 100.times { array.any? } }
end