Stefan Beller 1ecbf31d02 hashmap: migrate documentation from Documentation/technical into header
While at it, clarify the use of `key`, `keydata`, `entry_or_key` as well
as documenting the new data pointer for the compare function.

Rework the example.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-06-30 13:11:59 -07:00
..
2016-03-11 15:02:23 -08:00