prelude: |
  def f(x=0, y: 0) end
  a = [1]
  ea = []
  kw = {y: 1}
  b = lambda{}
benchmark:
  arg_splat: "f(1, *ea)"
  arg_splat_block: "f(1, *ea, &b)"
  splat_kw_splat: "f(*a, **kw)"
  splat_kw_splat_block: "f(*a, **kw, &b)"
  splat_kw: "f(*a, y: 1)"
  splat_kw_block: "f(*a, y: 1, &b)"
