Files
zulip/frontend_tests
Steve Howell b4590e1303 Add topic_generator.reverse_wrap_exclude().
This allows us to traverse a list backwards, cycling to the
bottom as needed.

This code is going to be used for the "A" key that cycles
upward in the stream sidebar.  It's probably overkill for
that use case, but it does give us O(1) behavior and avoids
the pitfall of accidentally mutating a list when reversing it.
2017-08-16 15:45:47 -07:00
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