NodeList in GO

gistfile1.go

package main

import (
        "fmt"
        "strconv"
)

type Elements map[string]float32

type Node struct {
        name     string
        elements Elements
}

type NodeList map[string]*Node


func (nl *NodeList) Add(node *Node) {
        (*nl)[(*node).name] = node
}

func (nl *NodeList) Fill() {
        for i := 0; i < 10; i++ {
                var node Node
                node.elements = make(Elements)
                node.name = "node" + fmt.Sprintf("%d", i)
                for x := 1; x < 5; x++ {
                        node.elements["el"+strconv.Itoa(x)] = float32(x)
                }
                nl.Add(&node)
        }
}

func (nl *NodeList) Print() {
        for _, node := range *(nl) {
                fmt.Println(node.name)
                for name, val := range node.elements {
                        fmt.Printf("\t%s:%f\n", name, val)
                }
        }
}

func main() {
        mylist := make(NodeList)
        mylist.Fill()
        mylist.Print()
}