Go问题

1，详解slice
https://www.jianshu.com/p/030aba2bff41

2，详解Map
https://mp.weixin.qq.com/s/Jq65sSHTX-ucSG8TlI5Zxg

//错误代码
this.tombPlayerData = make(map[AvatarID]TTombPlayerData)
this.ParentZone.GetSpaceHolder().ForeachPlayer(func(player INodePlayer) bool {
	this.tombPlayerData[player.GetAvatarID()].RoleName = player.GetName()
	this.tombPlayerData[player.GetAvatarID()].Profession = int32(player.GetProfession())
	return true
})

//纠正
this.tombPlayerData = make(map[AvatarID]*TTombPlayerData)
this.ParentZone.GetSpaceHolder().ForeachPlayer(func(player INodePlayer) bool {
	this.tombPlayerData[player.GetAvatarID()] = &TTombPlayerData{}
	this.tombPlayerData[player.GetAvatarID()].Profession = int32(player.GetProfession())
	return  true
})

3，结构体作为map的元素时，不能直接赋值给结构体的某个字段

	//错误代码，编译器报错：reports assignments direcliy to a struct field of a map
	var npcPos = make(map[int32]Vector3)
	npcPos[0].X = 0
	npcPos[0].Y = 0
	npcPos[0].Z = 0

	//纠正
	npcPos[0] = Vector3{X: float32(pos[0]), Y: float32(pos[1]), Z: float32(pos[2])}

详解：https://blog.csdn.net/zhngcho/article/details/82424962

4，强转
A（interface类型）强转成B（struct），从而使用B中的一些接口，但前提是A中的所有接口在B中必须得有实现

type IA interface {
	GetName(id int) string
	GetID(name string) int
}

type TB struct {
	mapData map[int]*TC
	...
}

func (this *TB) GetName(id int) string {
	...
}
func (this *TB) GetID(name string) int {
	...
}

...

func (this *TB) GetDataInfo(id int) *TC {
	return this.mapData[id]
}

使用：
GetIA().(TB).GetDataInfo(id)