Enhancement to TextDataset (#296)
Enhancement to TextDataset (#296)

This is a small enhancement to TextDataset to avoid allocating intermediate
vectors to store data (instead use Tensor).

Signed-off-by: Yong Tang <765086fe2e0c1f980161f127fec596800f327f62@outlook.com>
tensorflow/io,tensorflow/io,tensorflow/io,tensorflow/io,tensorflow/io,tensorflow/io,tensorflow/io