Comparing Array#includes? vs Set#includes?

benchmark_array_vs_set.cr

require "benchmark"

small = 1..3
large = 1..1_000_000
small_array = small.to_a
small_set = small.to_set

large_array = large.to_a
large_set = large.to_set

result = nil
Benchmark.ips do |x|
  x.report("small array hit") { result = small_array.includes? 2 }
  x.report("small array miss") { result = small_array.includes? 2 }
  x.report("large array hit") { result = large_array.includes? 500_000 }
  x.report("large array miss") { result = large_array.includes? 1_000_001 }

  x.report("small set hit") { result = small_set.includes? 2 }
  x.report("small set miss") { result = small_set.includes? 2 }
  x.report("large set hit") { result = large_set.includes? 500_000 }
  x.report("large set miss") { result = large_set.includes? 1_000_001 }
end

pp result