code: public static <T1, T2> BiConsumer<T1, T2> pipeline(BiConsumer<T1, T2> consumer) {
          return new PipelinedBinaryConsumer<T1, T2>(Iterations.iterable(consumer));
      }
docs: Creates a pipeline from a binary consumer.
  
  @param <T1> the consumer first parameter type
  @param <T2> the consumer second parameter type
  @param consumer the consumer to be transformed
  @return the pipelined consumer