[set] Add backwards iterator
authorBehdad Esfahbod <behdad@behdad.org>
Wed, 14 Feb 2018 09:00:10 +0000 (01:00 -0800)
committerBehdad Esfahbod <behdad@behdad.org>
Wed, 14 Feb 2018 09:00:10 +0000 (01:00 -0800)
commit694eaf636713b8d0bbe13f38c2553b1a2f3d2d3a
treefdbcb29553a9ba288de788d1812be23c9270a206
parentfe3bc524bd4f93bd67c13ed402720a13dd3484d3
[set] Add backwards iterator

New API:
- hb_set_previous()
- hb_set_previous_range()
docs/harfbuzz-sections.txt
src/hb-set-private.hh
src/hb-set.cc
src/hb-set.h
test/api/test-set.c