Method close

stack.go:103–116

(level int)

}

func (l *State) close(level int) {
	// TODO this seems really inefficient - how can we terminate early?
	var p *openUpValue
	for e := l.upValues; e != nil; e, p = e.next, e {
		if e.upValue.isInStackAbove(level) {
			e.upValue.close()
			if p != nil {
				p.next = e.next
			} else {
				l.upValues = e.next
			}
		}
	}
}

// information about a call
type callInfo struct {