Classes, Hashes, Structs, oh my.

main.rb

def boot(args)
  args.state = {}
end

SpriteStruct = Struct.new(:x, :y, :w, :h, :path)
class SpriteClass
  attr_accessor :x, :y, :w, :h, :path

  def initialize(x:, y:, w:, h:, path:)
    @x = x
    @y = y
    @w = w
    @h = h
    @path = path
  end
end

def tick args
  if args.inputs.keyboard.key_down.b
    args.gtk.console.show
    args.gtk.benchmark(
      iterations: 1000, # number of iterations
      # label for experiment
      creating_structs: lambda {
        path = "foo"
        5000.times do |i|
          SpriteStruct.new(i, i, i, i, path)
        end
      },
      creating_classes: lambda {
        path = "foo"
        5000.times do |i|
          SpriteClass.new(w: i, h: i, x: i, y: i, path: path)
        end
      },
      # label for experiment
      creating_hashes: lambda {
        path = "foo"
        5000.times do |i|
          { x: i, y: i, w: i, h: i, path: path }
        end
      }
    )
  end

  if args.inputs.keyboard.key_down.m
    args.gtk.console.show
    args.gtk.benchmark(
      iterations: 1000, # number of iterations
      mutating_hash_bracket: lambda {
        path = "foo"
        i = 0
        sprite = { x: i, y: i, w: i, h: i, path: path }
        5000.times do |i|
          sprite[:x] = i + 1
        end

      },
      # label for experiment
      mutating_hash_dot: lambda {
        path = "foo"
        i = 0
        sprite = { x: i, y: i, w: i, h: i, path: path }
        5000.times do |i|
          sprite.x = i + 1
        end
      },
      mutating_structs: lambda {
        path = "foo"
        sprite = SpriteStruct.new(0, 0, 0, 0, path)
        5000.times do |i|
          sprite.x = i + 1
        end
      },
      mutating_classes: lambda {
        path = "foo"
        sprite = SpriteClass.new(w: 0, h: 0, x: 0, y: 0, path: path)
        5000.times do |i|
          sprite.x = i + 1
        end
      },
    )
  end
end