.

wcfs/internal/xbtree/δbtail.go

@@ -220,6 +220,8 @@ func (δBtail *ΔBtail) Head() zodb.Tid { return δBtail.δZtail.Head() }
 func (δBtail *ΔBtail) Tail() zodb.Tid { return δBtail.δZtail.Tail() }
 
 
+// ---- Track/rebuild/Update/Forget ----
+
 // Track adds tree path to tracked set.
 //
 // path[0] signifies tree root.
@@ -745,6 +747,8 @@ func (δTtail *_ΔTtail) forgetPast(revCut zodb.Tid) {
 }
 
 
+// ---- queries ----
+
 // GetAt tries to retrieve root[key]@at from δBtail data.
 //
 // If δBtail has δB entry that covers root[key]@at, corresponding value
@@ -866,6 +870,9 @@ func (δBtail *ΔBtail) SliceByRootRev(root zodb.Oid, lo, hi zodb.Tid) /*readonl
 }
 
 
+// ----------------------------------------
+
+
 // ΔZtail returns raw ZODB changes accumulated in δBtail so far.
 //
 // the caller must not modify returned δZtail.

wcfs/internal/zdata/δftail.go

@@ -193,6 +193,8 @@ func (δFtail *ΔFtail) Head() zodb.Tid { return δFtail.δBtail.Head() }
 func (δFtail *ΔFtail) Tail() zodb.Tid { return δFtail.δBtail.Tail() }
 
 
+// ---- Track/rebuild/Update/Forget ----
+
 // Track associates file[blk]@head with tree path and zblk object.
 //
 // Path root becomes associated with the file, and the path and zblk object become tracked.
@@ -563,6 +565,8 @@ func (δftail *_ΔFileTail) forgetPast(revCut zodb.Tid) {
 	}
 }
 
+// ---- queries ----
+
 // TODO if needed
 // func (δFtail *ΔFtail) SliceByRev(lo, hi zodb.Tid) /*readonly*/ []ΔF