Method FromPB

expr/node.go:578–597

(n *NodePb)

	return &NodePb{Fn: n}
}
func (m *FuncNode) FromPB(n *NodePb) Node {

	fn, ok := funcReg.FuncGet(strings.ToLower(n.Fn.Name))
	if !ok {
		u.Debugf("Not Found Func %q", n.Fn.Name)
		// Panic?
	}

	f := FuncNode{
		Name: n.Fn.Name,
		Args: NodesFromNodesPb(n.Fn.Args),
		F:    fn,
	}

	if err := f.Validate(); err != nil {
		u.Warnf("could not validate %v", err)
	}

	return &f
}

// Expr convert the FuncNode to Expr
func (m *FuncNode) Expr() *Expr {