errnil so we can detect nullable values
errnil so we can detect nullable values

kgrz/msgp,DrGo/msgp,ebfe/msgp,appneta/msgp,tinylib/msgp,tinylib/msgp,appneta/msgp,segmentio/msgp,jfbus/msgp,skatsuta/msgp,eliothedeman/msgp,dockbiz/msgp,darvik80/msgp,mengzhuo/msgp