Function newNode

router.go:675–700

(
	t kind,
	pre string,
	p *node,
	sc children,
	mh *routeMethods,
	paramsCount int,
	ppath string,
	paramChildren,
	anyChildren *node,
)

}

func newNode(
	t kind,
	pre string,
	p *node,
	sc children,
	mh *routeMethods,
	paramsCount int,
	ppath string,
	paramChildren,
	anyChildren *node,
) *node {
	return &node{
		kind:           t,
		label:          pre[0],
		prefix:         pre,
		parent:         p,
		staticChildren: sc,
		originalPath:   ppath,
		paramsCount:    paramsCount,
		methods:        mh,
		paramChild:     paramChildren,
		anyChild:       anyChildren,
		isLeaf:         sc == nil && paramChildren == nil && anyChildren == nil,
		isHandler:      mh.isHandler(),
	}
}

func (n *node) addStaticChild(c *node) {
	n.staticChildren = append(n.staticChildren, c)