require "benchmark"
require "active_support/all"

Benchmark.bm do |x|
  count = 1_000_000
  label_size = 20

  x.report "check for nil:".rjust(label_size) do
    count.times { nil && nil.length }
  end

  x.report "check respond_to:".rjust(label_size) do
    count.times { nil.length if nil.respond_to?(:length) }
  end

  x.report "rescue:".rjust(label_size) do
    count.times { nil.length rescue nil }
  end

  x.report "active_support try:".rjust(label_size) do
    count.times { nil.try(:length) }
  end

  x.report "safe navigation:".rjust(label_size) do
    count.times { nil&.length }
  end
end