Saurabh Talbar

@xiam @VojtechVitek fyi

note I also tried with Where() clause same output ``` func (s *store) FindExistingMembers(memberId MyCustomType) error { exists, err := s.db. Collection("members"). Find(). Where(db.Or( db.Cond{"member1_uuid": memberId}, db.Cond{"member2_uuid": memberId}, )). Exists()...

@ndolgov @btlines @xuwei-k any further interest in getting this PR to master ? I resolved the merge conflicts and other import issues here https://github.com/saurcery/grpcgateway/commit/c3998fcad58d95937c6e0fc2622bf2d48453fa69#diff-42123b068abeef330b1c78c05cbee1d5 Its quite useful feature for RESTful...