通过gob的序列化和反序列化进行深度拷贝
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package main
import (
"bytes"
"encoding/gob"
"fmt"
"reflect"
)
type (
Player struct {
Id int
Level int
Heroes map[int]*Hero
Equips []*Equip
}
Hero struct {
Id int
Level int
Skills []*Skill
}
Equip struct {
Id int
Level int
}
Skill struct {
Id int
Level int
}
)
func NewHero() *Hero {
return &Hero{
Id: 1,
Level: 1,
Skills: append([]*Skill{NewSkill()}, NewSkill(), NewSkill()),
}
}
func NewSkill() *Skill {
return &Skill{1, 1}
}
func NewEquip() *Equip {
return &Equip{1, 1}
}
func NewPlayer() *Player {
return &Player{
Id: 1,
Level: 1,
Heroes: map[int]*Hero{1: NewHero(), 2: NewHero(), 3: NewHero()},
Equips: append([]*Equip{NewEquip()}, NewEquip(), NewEquip()),
}
}
func GobDeepCopy(dst, src interface{}) error {
var buf bytes.Buffer
if err := gob.NewEncoder(&buf).Encode(src); err != nil {
return err
}
return gob.NewDecoder(bytes.NewBuffer(buf.Bytes())).Decode(dst)
}
func main() {
p1 := NewPlayer()
p2 := new(Player)
GobDeepCopy(p2, p1)
fmt.Println(reflect.DeepEqual(p1, p2))
}
output:
true
func BenchmarkGob(b *testing.B) {
p1 := NewPlayer()
p2 := new(Player)
for i:=0 ; i<b.N ; i++ {
GobDeepCopy(p2, p1)
}
}
goos: windows
goarch: amd64
pkg: game.lab/go-deepcopy/src/gob
30000 57666 ns/op
PASS
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