ignoreTooBigRefactoredKeepingMemberFunction.cpp

std::vector<int> NumbersFilter::ignoreTooBig(const std::vector<int> & numbers) const {
  std::vector<int> filteredNumbers;

  std::copy_if(numbers.begin(), numbers.end(),
    std::back_inserter(filteredNumbers),
    std::bind1st(std::mem_fun(&NumbersFilter::notTooBig), this));

  return filteredNumbers;
}

bool NumbersFilter::notTooBig(int number) const {
  return !(number > 1000);
}