Spear.Client.append_batch_stream

You're seeing just the callback append_batch_stream, go back to Spear.Client module for more information.
Link to this callback

append_batch_stream(batch_stream)

View Source (since 0.10.0)

Specs

append_batch_stream(batch_stream :: Enumerable.t()) :: Enumerable.t()

A wrapper around Spear.append_batch_stream/2