···10631063 return nil10641064}1065106510661066+// all pulls above this pull (including self) in this stack10671067+func (stack Stack) Above(pull *Pull) Stack {10681068+ position := stack.Position(pull)10691069+10701070+ if position < 0 {10711071+ return nil10721072+ }10731073+10741074+ return stack[:position+1]10751075+}10761076+10771077+// all pulls below this pull (excluding self) in this stack10781078+func (stack Stack) StrictlyAbove(pull *Pull) Stack {10791079+ above := stack.Above(pull)10801080+10811081+ if len(above) > 0 {10821082+ return above[:len(above)-1]10831083+ }10841084+10851085+ return nil10861086+}10871087+10661088// the combined format-patches of all the newest submissions in this stack10671089func (stack Stack) CombinedPatch() string {10681090 // go in reverse order because the bottom of the stack is the last element in the slice