prelude: |
  class A0
    def method_missing(m); m end
  end
  class A1
    def method_missing(m, a) a; end
  end
  class S
    def method_missing(m, *a) a; end
  end
  class B
    def method_missing(m, kw: 1) kw end
  end
  class SB
    def method_missing(m, *a, kw: 1) kw end
  end

  t0 = 0.times.to_a
  t1 = 1.times.to_a
  t10 = 10.times.to_a
  t200 = 200.times.to_a
  kw = {kw: 2}

  a0 = A0.new
  a1 = A1.new
  s = S.new
  b = B.new
  sb = SB.new
benchmark:
  method_missing_simple_0: |
    a0.()
  method_missing_simple_1: |
    a1.x(1)
  method_missing_simple_0_splat: |
    a0.(*t0)
  method_missing_simple_1_splat: |
    a1.(*t1)
  method_missing_no_splat: |
    s.()
  method_missing_0_splat: |
    s.(*t0)
  method_missing_1_splat: |
    s.(*t1)
  method_missing_10_splat: |
    s.(*t10)
  method_missing_200_splat: |
    s.(*t200)
  method_missing_kw: |
    b.(kw: 1)
  method_missing_no_kw: |
    b.()
  method_missing_kw_splat: |
    b.(**kw)
  method_missing_0_splat_kw: |
    sb.(*t0, **kw)
  method_missing_1_splat_kw: |
    sb.(*t1, **kw)
  method_missing_10_splat_kw: |
    sb.(*t10, **kw)
  method_missing_200_splat_kw: |
    sb.(*t200, **kw)
loop_count: 1000000