rodrigomanhaes

class Bola
  def initialize(cor)
    @cor = cor
  end
  
  attr_accessor :cor
end

apneadiving

class ParamsSlicer
  def initialize(params, *whitelist)
    @params = params
    @nested_whitelist = whitelist.extract_options!
    @whitelist = whitelist
  end

  def call
    params.slice(*whitelist).tap do |result|
      nested_whitelist.each do |k, v|