code: public static <T> BinaryOperator<T> binaryOperator(CheckedBinaryOperator<T> operator) {
          return Unchecked.binaryOperator(operator, Unchecked.RETHROW_ALL);
      }
docs: Wrap a {@link org.jooq.lambda.fi.util.function.CheckedBinaryOperator} in a {@link BinaryOperator}.
  <p>
  Example:
  <code><pre>
  Stream.of("a", "b", "c").reduce(Unchecked.binaryOperator((s1, s2) -> {
  if (s2.length() > 10)
  throw new Exception("Only short strings allowed");
  
  return s1 + s2;
  }));
  </pre></code>