.

go/zodb/storage/demo/demo.go

@@ -38,7 +38,11 @@ import (
 	"lab.nexedi.com/kirr/neo/go/zodb"
 )
 
-// XXX
+// Storage combines base and δ storages as if δ transactional log is logically
+// appended to base.
+//
+// Base must remain unmodified, and all δ transactions must be with TIDs
+// strictly after base.Head .
 type Storage struct {
 	base zodb.IStorageDriver
 	δ    zodb.IStorageDriver
@@ -74,7 +78,7 @@ func (e *baseError) Error() string {
 func (e *baseError) Cause() error  { return e.err }
 func (e *baseError) Unwrap() error { return e.err }
 
-// watcher detects base mutation and proxies δ events to user.
+// watcher detects base mutation and proxies δ events to user watchq.
 // it runs as separate goroutine.
 func (d *Storage) watcher(ctx context.Context) error {
 	if d.watchq != nil {