#[must_use = "streams do nothing unless polled"]
pub struct Zip<St1: Stream, St2: Stream> { /* fields omitted */ }
An adapter for merging the output of two streams.
The merged stream produces items from one or both of the underlying
streams as they become available. Errors, however, are not merged: you
get at most one error at a time.
Formats the value using the given formatter. Read more
Values yielded by the stream.
Attempt to pull out the next value of this stream, registering the current task for wakeup if the value is not yet available, and returning None
if the stream is exhausted. Read more