class Holidays::Definition::Context::Merger

def call(target_regions, target_holidays, target_custom_methods)
  #FIXME Does this need to come in this exact order? God I hope not.
  # If not then we should swap the order so it matches the init.
  @regions_repo.add(target_regions)
  @holidays_repo.add(target_holidays)
  @custom_methods_repo.add(target_custom_methods)
end

def initialize(holidays_by_month_repo, regions_repo, custom_methods_repo)
  @holidays_repo = holidays_by_month_repo
  @regions_repo = regions_repo
  @custom_methods_repo = custom_methods_repo
end