ref: ab174c473618dd3743881cf44e02c2db4d1ecd5f
dir: /commitquery/query_set_clear_marks.go/
package commitquery
// setMarks ORs one set of mark bits into one internal node.
func (query *query) setMarks(idx nodeIndex, bits markBits) {
newBits := bits &^ query.nodes[idx].marks
if newBits == 0 {
return
}
query.trackTouched(idx)
query.nodes[idx].marks |= bits
}
// clearMarks removes one set of mark bits from one internal node.
func (query *query) clearMarks(idx nodeIndex, bits markBits) {
if query.nodes[idx].marks&bits == 0 {
return
}
query.trackTouched(idx)
query.nodes[idx].marks &^= bits
}