class_docstr: DatasetBuilder for yahoo_ltrc dataset.
docstr: Yields examples.
code: def _generate_examples(self, path, feature_names):
      """Yields examples."""
      with tf.io.gfile.GFile(path, "r") as f:
          yield from LibSVMRankingParser(
              f, feature_names, _LABEL_NAME, combine_features=True
          )
  
file_path: datasets/tensorflow_datasets/ranking/yahoo_ltrc/yahoo_ltrc.py
imports: import dataclasses
  import numpy
  from tensorflow_datasets.core.utils.lazy_imports_utils import tensorflow
  import tensorflow_datasets.public_api
  from tensorflow_datasets.ranking.libsvm_ranking_parser import LibSVMRankingParser
label_desc: Use image node_id 3 for calling the YahooLTRC obj's underlying member method code with example usage: obj._generate_examples(path, feature_names) without return types