tree a174d4167c76b2a680246775e09efac04a5dbdc0
parent b3a215e3e1d7bf526033e3c8befdbf3c8777b645
author Xiaoyao Qian <qian13@illinois.edu> 1549248768 -0800
committer Ning Wang <nwang@twitter.com> 1549248768 -0800

Modularize packing-related constraints and exceptions (#3186)

* modular constraints and exceptions

* address comment