Allow folly::io::Cursor to move backwards.
authorKyle Nekritz <knekritz@fb.com>
Thu, 3 Nov 2016 22:53:50 +0000 (15:53 -0700)
committerFacebook Github Bot <facebook-github-bot-bot@fb.com>
Thu, 3 Nov 2016 23:08:58 +0000 (16:08 -0700)
commit564c79afcb0f462dcf8eb73f2627fe4a96e774f5
tree22f0318d3b295445a785c4abbc721c870fbe7a4f
parent60ebafb4f8900eafdbca3c06d6a61a4ec034736f
Allow folly::io::Cursor to move backwards.

Summary: This is helpful for parsing data IOBufs in reverse.

Reviewed By: siyengar

Differential Revision: D4082810

fbshipit-source-id: 6a201d25e7d22befe28f92e4a1d7aa41ad7d6817
folly/io/Cursor.h
folly/io/test/IOBufCursorTest.cpp