锟斤拷锟斤拷位锟矫ｏ拷锟斤拷页 > 锟斤拷锟斤拷锟教筹拷 > 锟教筹拷 > golang锟斤拷锟斤拷锟斤拷转锟斤拷

golang锟斤拷锟斤拷锟斤拷转锟斤拷

锟斤拷源锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷|锟斤拷时锟戒：2024-09-30 10:04:56 |锟斤拷锟侥讹拷锟斤拷185锟斤拷|锟斤拷锟斤拷签锟斤拷 a Golang GO 锟斤拷 |锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷戏

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷说说一锟斤拷锟斤拷锟矫匡拷於硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿硷拷锟斤拷牟锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟阶拷锟斤拷锟� 锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷值拇锟斤拷锟� go锟斤拷锟斤拷锟斤拷转锟斤拷锟斤拷值锟斤拷锟斤拷之锟戒互锟斤拷转锟斤拷 unsafe锟斤拷氐锟阶拷锟� 锟街凤拷锟斤拷锟斤拷byte锟斤拷rune锟斤拷片锟斤拷转锟斤拷 slice转锟斤拷锟斤拷锟斤拷锟斤拷锟阶诧拷锟斤拷锟斤拷锟斤拷同时锟斤拷转锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷歉锟缴讹拷锟斤拷锟杰斤拷一锟斤拷锟斤拷值拇锟斤拷锟� 锟斤拷锟斤拷始锟斤拷锟斤拷锟绞憋拷叶锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷说说一锟斤拷锟斤拷锟矫匡拷於硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿硷拷锟斤拷牟锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟阶拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷

一锟斤拷锟斤拷值拇锟斤拷锟�

go锟斤拷锟斤拷锟斤拷转锟斤拷

锟斤拷值锟斤拷锟斤拷之锟戒互锟斤拷转锟斤拷

unsafe锟斤拷氐锟阶拷锟�

锟街凤拷锟斤拷锟斤拷byte锟斤拷rune锟斤拷片锟斤拷转锟斤拷

slice转锟斤拷锟斤拷锟斤拷锟斤拷

锟阶诧拷锟斤拷锟斤拷锟斤拷同时锟斤拷转锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷歉锟缴讹拷锟斤拷

锟杰斤拷

一锟斤拷锟斤拷值拇锟斤拷锟�

锟斤拷锟斤拷始锟斤拷锟斤拷锟绞憋拷叶员锟阶硷拷锟絪ync锟斤拷一些锟侥讹拷锟斤拷时锟斤拷

锟侥讹拷锟斤拷锟矫碉拷锟斤拷准锟斤拷锟斤拷1.19锟斤拷锟斤拷锟接碉拷 atomic.Pointer 锟斤拷锟斤拷锟节斤拷锟斤拷锟斤拷锟斤拷锟节斤拷锟叫憋拷锟街帮拷锟斤拷锟酵拷锟斤拷锟揭伙拷锟斤拷锟斤拷拇锟斤拷耄伙拷锟揭伙拷写锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷业锟阶拷猓�

// A Pointer is an atomic pointer of type *T. The zero value is a nil *T.
type Pointer[T any] struct {
    // Mention *T in a field to disallow conversion between Pointer types.
    // See go.dev/issue/56603 for more details.
    // Use *T, not T, to avoid spurious recursive type definition errors.
    _ [0]*T

    _ noCopy
    v unsafe.Pointer
}

锟斤拷锟斤拷锟斤拷noCopy锟斤拷锟斤拷锟斤拷锟斤拷锟� golang拾锟脚ｏ拷实锟斤拷一锟斤拷锟斤拷锟缴革拷锟斤拷锟斤拷锟斤拷锟斤拷细锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷注锟斤拷牡胤锟斤拷锟� _ [0]*T 锟斤拷锟斤拷锟角革拷锟斤拷锟斤拷锟街段ｏ拷锟揭筹拷锟斤拷为锟斤拷锟斤拷锟斤拷椴伙拷锟秸硷拷锟斤拷诖妗ｏ拷獠拷锟接帮拷锟斤拷锟揭拷薷牡拇锟斤拷耄拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞裁达拷锟斤拷锟斤拷锟斤拷业暮锟斤拷妗�

锟斤拷锟斤拷锟斤拷锟斤拷侄锟斤拷约锟斤拷锟阶拷透锟斤拷锟斤拷舜鸢福锟斤拷锟斤拷锟街讹拷锟斤拷为锟剿凤拷止锟斤拷锟斤拷锟斤拷锟斤拷锟阶拷锟斤拷锟绞裁达拷锟斤拷锟斤拷锟斤拷锟阶拷锟斤拷锟揭拷锟斤拷锟斤拷锟街讹拷锟斤拷锟斤拷锟斤拷锟截★拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭点开锟剿革拷锟斤拷锟斤拷issue锟斤拷锟接ｏ拷然锟襟看碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷樱锟�

package main

import (
	"math"
	"sync/atomic"
)

type small struct {
	small [64]byte
}

type big struct {
	big [math.MaxUint16 * 10]byte
}

func main() {
	a := atomic.Pointer[small]{}
	a.Store(&small{})

	b := atomic.Pointer[big](a) // type conversion
	big := b.Load()

	for i := range big.big {
		big.big[i] = 1
	}
}

锟斤拷锟接筹拷锟斤拷岬硷拷锟斤拷诖锟斤拷锟斤拷锟斤拷Linux锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫很达拷锟斤拷实锟斤拷露未锟斤拷锟轿裁达拷兀锟斤拷锟轿猙ig锟斤拷锟斤拷锟斤拷值锟斤拷蟪锟斤拷锟絪mall锟侥凤拷围锟斤拷锟斤拷锟斤拷锟斤拷实锟斤拷锟斤拷锟斤拷Pointer只锟斤拷锟斤拷一锟斤拷small锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷循锟斤拷锟斤拷锟斤拷锟斤拷锟角凤拷锟斤拷锟斤拷锟斤拷锟斤拷越锟界，锟斤拷锟斤拷go锟斤拷没锟叫硷拷獾斤拷锟斤拷越锟界。

锟斤拷然锟斤拷go也没锟斤拷锟斤拷锟斤拷去锟斤拷锟斤拷锟斤拷锟皆斤拷纾拷锟轿拷锟斤拷锟絬nsafe锟斤拷atomic.Pointer锟角讹拷unsafe.Pointer锟侥帮拷装锟斤拷之锟斤拷锟斤拷锟酵帮拷全锟斤拷锟节存安全锟斤拷只锟杰匡拷锟矫伙拷锟皆硷拷锟斤拷锟斤拷锟斤拷锟剿★拷

锟斤拷锟斤拷锟斤拷锟斤拷系锟斤拷锟斤拷锟斤拷锟斤拷冢锟� atomic.Pointer[small] 锟斤拷 atomic.Pointer[big] 之锟斤拷没锟斤拷锟轿何癸拷锟斤拷锟斤拷锟斤拷锟斤拷应锟斤拷锟斤拷锟斤拷全锟斤拷同锟斤拷锟斤拷锟酵诧拷应锟矫凤拷锟斤拷转锟斤拷锟斤拷锟斤拷锟斤拷源锟斤拷锟斤拷苫螅锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷凸锟斤拷锟斤拷锟斤拷锟截碉拷锟斤拷锟较ｏ拷通锟斤拷锟斤拷锟街凤拷锟酵碉拷锟斤拷锟酵癸拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷之锟斤拷锟角诧拷应锟斤拷锟斤拷锟轿何癸拷锟斤拷锟皆的ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷go锟斤拷一锟斤拷强锟斤拷锟斤拷锟斤拷锟皆ｏ拷锟斤拷锟狡碉拷锟斤拷锟斤拷锟斤拷c++锟睫凤拷通锟斤拷锟斤拷锟斤拷锟斤拷锟絧ython锟斤拷锟斤拷锟斤拷锟斤拷锟绞憋拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷实锟斤拷锟斤拷没锟斤拷锟接匡拷头锟斤拷锟角革拷锟街讹拷前锟斤拷锟斤拷转锟斤拷锟角合凤拷锟侥讹拷锟斤拷锟节凤拷锟斤拷锟斤拷锟斤拷锟叫猴拷锟斤拷锟阶筹拷锟街★拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷芑锟斤拷锟斤拷械锟斤拷锟斤拷锟斤拷锟斤拷铮拷锟斤拷锟矫伙拷锟较碉拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟狡匡拷锟斤拷散锟侥★拷

go锟斤拷锟斤拷锟斤拷转锟斤拷

golang锟斤不锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷转锟斤拷锟斤拷锟斤拷锟斤拷锟揭拷锟揭伙拷锟斤拷锟斤拷偷锟街底拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷停锟街伙拷锟斤拷锟斤拷锟斤拷锟斤拷谋锟斤拷锟绞� Type(value) 锟斤拷锟斤拷锟斤拷式锟斤拷锟絭alue锟斤拷锟斤拷一锟斤拷然锟斤拷转锟斤拷锟斤拷Type锟斤拷锟酵★拷

锟斤拷锟斤拷锟斤拷锟斤拷锟酵筹拷锟斤拷锟斤拷锟斤拷要锟斤拷微锟斤拷锟揭恍╋拷锟斤拷锟斤拷强锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷远锟阶拷锟斤拷锟斤拷锟接︼拷锟斤拷锟斤拷停锟斤拷锟斤拷锟揭碉拷锟斤拷一篇锟斤拷锟斤拷 golang锟叫碉拷锟斤拷锟斤拷锟酵筹拷锟斤拷锟斤拷

锟阶匡拷锟斤拷锟斤拷锟斤拷cgo锟斤拷golang锟斤拷锟斤拷锟斤拷转锟斤拷锟斤拷锟皆凤拷为锟矫硷拷锟洁，锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一些锟饺较筹拷锟斤拷锟斤拷锟斤拷锟酵★拷

锟斤拷值锟斤拷锟斤拷之锟戒互锟斤拷转锟斤拷

锟斤拷锟斤拷锟洁当锟斤拷锟斤拷锟斤拷转锟斤拷锟斤拷

锟斤拷锟斤拷锟绞得皇裁达拷锟剿碉拷模锟斤拷锟斤拷应锟斤拷每锟届都锟斤拷写锟斤拷锟狡的达拷锟诫：

c := int(a+b)
d := float64(c)

锟斤拷值锟斤拷锟斤拷之锟斤拷锟斤拷锟斤拷嗷プ拷锟斤拷锟斤拷锟斤拷锟斤拷透锟斤拷锟街拷锟揭诧拷岚达拷锟斤拷锟接︼拷墓锟斤拷锟斤拷锟斤拷转锟斤拷锟斤拷锟斤拷值锟节憋拷要锟斤拷时锟斤拷岱拷锟斤拷锟斤拷锟�/锟截断★拷

锟斤拷锟阶拷锟斤拷锟斤拷锟斤拷说也锟饺较帮拷全锟斤拷唯一要注锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

unsafe锟斤拷氐锟阶拷锟�

unsafe.Pointer 锟斤拷锟斤拷锟叫碉拷指锟斤拷锟斤拷锟斤拷之锟戒都锟斤拷锟皆伙拷锟斤拷转锟斤拷锟斤拷锟斤拷锟斤拷 unsafe.Pointer 转锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷证锟斤拷锟酵帮拷全锟斤拷

unsafe.Pointer 锟斤拷 uintptr 之锟斤拷也锟斤拷锟皆伙拷锟斤拷转锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷一些系统锟斤拷api锟斤拷要使锟矫★拷

锟斤拷些转锟斤拷锟斤拷go锟斤拷runtime锟皆硷拷一些锟截讹拷锟斤拷锟斤拷系统锟斤拷痰拇锟斤拷锟斤拷锞拷锟斤拷锟斤拷帧锟斤拷锟叫┳拷锟斤拷锟轿ｏ拷眨锟斤拷锟斤拷锟角憋拷要锟斤拷使锟矫★拷

锟街凤拷锟斤拷锟斤拷byte锟斤拷rune锟斤拷片锟斤拷转锟斤拷

锟斤拷锟阶拷锟斤拷某锟斤拷锟狡碉拷锟接︼拷媒锟斤拷锟斤拷锟斤拷锟街底拷锟斤拷锟�

fmt.Println([]byte("hello"))
fmt.Println(string([]byte{104, 101, 108, 108, 111}))

锟斤拷锟阶拷锟絞o锟斤拷锟剿诧拷锟斤拷锟脚伙拷锟斤拷锟斤拷锟斤拷锟斤拷时锟斤拷锟斤拷为锟斤拷锟斤拷通锟斤拷锟斤拷锟斤拷转锟斤拷锟叫碉拷锟斤拷耄拷锟斤拷锟杰讹拷时锟斤拷锟斤拷锟捷革拷锟狡会被锟脚伙拷锟斤拷锟斤拷

rune锟酵诧拷锟斤拷锟斤拷锟剿ｏ拷锟斤拷锟斤拷锟斤拷没锟斤拷太锟斤拷牟锟斤拷

slice转锟斤拷锟斤拷锟斤拷锟斤拷

go1.20之锟斤拷锟斤拷锟斤拷slice转锟斤拷锟斤拷锟斤拷锟介，锟节革拷锟狡凤拷围锟节碉拷slice锟斤拷元锟截会被锟斤拷锟狡ｏ拷

s := []int{1,2,3,4,5}
a := [3]int(s)
a[2] = 100
fmt.Println(s)  // [1 2 3 4 5]
fmt.Println(a)  // [1 2 100]

锟斤拷锟斤拷锟斤拷锟侥筹拷锟饺筹拷锟斤拷锟斤拷slice锟侥筹拷锟饺ｏ拷注锟解不锟斤拷cap锟斤拷锟斤拷锟斤拷锟絧anic锟斤拷转锟斤拷锟斤拷锟斤拷锟斤拷锟街革拷锟揭诧拷强锟斤拷缘模锟斤拷锟斤拷锟斤拷锟饺拷锟酵拷锟�

锟阶诧拷锟斤拷锟斤拷锟斤拷同时锟斤拷转锟斤拷

锟斤拷锟斤拷锟斤拷锟桔的硷拷锟斤拷锟斤拷然锟杰筹拷锟斤拷锟斤拷锟斤拷锟斤拷实锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为锟斤拷些转锟斤拷只锟斤拷锟斤拷锟截讹拷锟斤拷锟斤拷锟斤拷之锟斤拷锟揭憋拷锟斤拷锟斤拷锟斤拷识锟斤拷锟斤拷些转锟斤拷锟斤拷锟斤拷锟缴诧拷同锟侥达拷锟诫。

锟斤拷go锟斤拷实锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷牟锟斤拷锟揭拷锟矫达拷锟斤拷锟斤拷獯︼拷锟斤拷锟阶拷锟斤拷锟斤拷撞锟斤拷锟斤拷锟斤拷锟酵拷锟斤拷锟斤拷锟街拷锟斤拷锟皆伙拷锟斤拷转锟斤拷锟斤拷

锟劫革拷锟斤拷锟接ｏ拷

type A struct {
    a int
    b *string
    c bool
}

type B struct {
    a int
    b *string
    c bool
}

type B1 struct {
    a1 int
    b *string
    c bool
}

type A1 B

type C int
type D int

A锟斤拷B锟斤拷锟斤拷全锟斤拷同锟斤拷锟斤拷锟酵ｏ拷锟斤拷锟斤拷锟角的底诧拷锟斤拷锟酵讹拷锟斤拷 struct{a int;b *string;c bool;} 锟斤拷C锟斤拷D也锟斤拷锟斤拷全锟斤拷同锟斤拷锟斤拷锟酵ｏ拷锟斤拷锟斤拷锟角的底诧拷锟斤拷锟酵讹拷锟斤拷int锟斤拷A1锟斤拷锟斤拷锟斤拷B锟斤拷A1锟斤拷B锟斤拷锟斤拷锟斤拷同锟侥底诧拷锟斤拷锟酵ｏ拷锟斤拷锟斤拷A1锟斤拷A也锟斤拷锟斤拷同锟侥底诧拷锟斤拷锟酵★拷B1锟斤拷为锟叫革拷锟街段碉拷锟斤拷锟街和憋拷锟剿讹拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷没锟剿猴拷锟斤拷锟侥底诧拷锟斤拷锟斤拷锟斤拷同锟斤拷

锟街憋拷一锟斤拷说锟斤拷锟阶诧拷锟斤拷锟酵ｏ拷underlying type锟斤拷锟角革拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵ｏ拷int锟斤拷string锟斤拷slice锟斤拷map锟斤拷...锟斤拷锟皆硷拷 struct{...} 锟斤拷锟街讹拷锟斤拷锟斤拷锟角凤拷export锟结被锟斤拷锟角斤拷去锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵猴拷 struct{...} 锟侥底诧拷锟斤拷锟酵撅拷锟斤拷锟皆硷拷锟斤拷

只要锟阶诧拷锟斤拷锟斤拷锟斤拷同锟斤拷锟斤拷锟斤拷之锟斤拷锟斤拷芑锟斤拷锟阶拷锟斤拷锟�

func main() {
    text := "hello"
    a := A{1, &text, false}
    a1 := A1(a)
    fmt.Printf("%#v\n", a1) // main.A1{a:1, b:(*string)(0xc000014070), c:false}
}

A1锟斤拷B锟斤拷锟斤拷锟斤拷锟叫碉拷锟较碉拷锟斤拷锟斤拷锟紸锟斤拷锟斤拷陌烁锟斤拷哟锟斤拷牛锟斤拷锟斤拷堑某锟斤拷锟斤拷锟皆憋拷锟诫并锟斤拷锟斤拷锟叫的很好★拷锟斤拷锟斤拷堑撞锟斤拷锟斤拷锟斤拷锟酵拷锟斤拷锟斤拷锟街拷锟斤拷锟皆伙拷锟斤拷转锟斤拷锟侥癸拷锟斤拷锟铰的★拷

锟斤拷锟斤拷struct tag锟斤拷转锟斤拷锟斤拷锟角会被锟斤拷锟皆的ｏ拷锟斤拷锟街灰拷侄锟斤拷锟斤拷趾锟斤拷锟斤拷锟斤拷锟酵拷锟斤拷锟斤拷锟絫ag锟角诧拷锟斤拷锟斤拷同锟侥讹拷锟斤拷锟皆斤拷锟斤拷转锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一些没锟叫癸拷系锟斤拷锟斤拷锟酵斤拷锟斤拷双锟斤拷锟阶拷锟斤拷锟秸σ伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭诧拷锟斤拷锟斤拷锟饺伙拷茫锟�

type IP []byte

锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟酵ｏ拷IP锟斤拷锟皆憋拷示为一锟斤拷byte锟斤拷锟斤拷锟叫ｏ拷锟斤拷锟斤拷RFC锟侥碉拷锟斤拷锟斤拷确说锟斤拷锟侥ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷么锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷实锟较达拷锟揭诧拷锟斤拷锟斤拷锟矫达拷傻模锟斤拷锟斤拷锟轿拷锟絙yte锟斤拷锟斤拷锟叫ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷然锟斤拷锟揭恍╋拷锟斤拷锟絙yte锟斤拷片锟侥凤拷锟斤拷/锟斤拷锟斤拷锟斤拷锟斤拷IP锟斤拷锟斤拷实锟街达拷锟诫复锟矫和简化匡拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷些锟斤拷锟诫都锟劫讹拷锟皆硷拷锟侥诧拷锟斤拷/锟斤拷锟斤拷值锟斤拷 []byte 锟斤拷锟斤拷锟斤拷IP锟斤拷锟斤拷锟斤拷知锟斤拷IP锟斤拷实锟斤拷锟斤拷 []byte 锟斤拷锟斤拷go锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷转锟斤拷锟斤拷锟斤拷锟斤拷直锟斤拷锟斤拷IP锟斤拷值去锟斤拷锟斤拷些锟斤拷锟斤拷锟角诧拷锟叫的★拷锟斤拷锟斤拷一锟斤拷锟斤拷锟矫伙拷械撞锟斤拷锟斤拷锟斤拷锟酵拷锟斤拷锟斤拷锟街拷锟斤拷锟斤拷锟洁互转锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭拷锟矫达拷锟斤拷锟斤拷锟叫╋拷锟斤拷锟斤拷兀锟斤拷隙锟街伙拷锟斤拷锟揭恍﹗nsafe锟斤拷锟斤拷锟斤拷邪锟斤拷锟剿★拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 []byte(ip) 锟斤拷 IP(bytes) 锟斤拷转锟斤拷锟斤拷

为啥锟斤拷锟斤拷锟斤拷住只锟斤拷锟斤拷锟斤拷 IP 锟斤拷 []byte 之锟斤拷锟斤拷锟斤拷锟斤拷转锟斤拷锟截ｏ拷锟斤拷为锟斤拷锟斤拷锟结导锟斤拷锟斤拷锟酵硷拷锟斤拷酶锟斤拷踊锟揭拷锟斤拷郾锟斤拷锟斤拷俣龋锟絞o锟筋看锟截的撅拷锟角憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷约锟斤拷锟斤拷锟斤拷俣瓤欤拷锟饺伙拷锟皆革拷锟斤拷锟斤拷锟斤拷些锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷直锟接放匡拷锟斤拷准锟矫底诧拷锟斤拷锟斤拷锟斤拷同锟斤拷锟酵的伙拷锟斤拷转锟斤拷锟斤拷锟侥简单匡拷荨锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷呛锟轿ｏ拷盏模锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角帮拷锟剿碉拷锟� atomic.Pointer 锟斤拷锟斤拷锟解。

锟斤拷锟角匡拷锟铰筹拷锟斤拷锟� atomic.Pointer 锟侥达拷锟诫：

type Pointer[T any] struct {
    _ noCopy
    v unsafe.Pointer
}

锟斤拷锟酵诧拷锟斤拷只锟斤拷锟斤拷 Store 锟斤拷 Load 锟斤拷时锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 unsafe.Pointer 锟斤拷锟斤拷锟斤拷指锟斤拷之锟斤拷锟斤拷锟斤拷锟阶拷锟斤拷摹锟斤拷锟结导锟斤拷一锟斤拷锟斤拷锟斤拷缺锟捷ｏ拷锟斤拷锟斤拷 atomic.Pointer 锟斤拷锟斤拷锟斤拷锟斤拷同锟侥底诧拷锟斤拷锟斤拷 struct{_ noCopy;v unsafe.Pointer;} 锟斤拷

锟斤拷锟皆诧拷锟斤拷锟斤拷 atomic.Pointer[A] 锟斤拷 atomic.Pointer[B] 锟斤拷锟斤拷 atomic.Pointer[small] 锟斤拷 atomic.Pointer[big] 锟斤拷锟斤拷锟角讹拷锟斤拷锟斤拷同锟侥底诧拷锟斤拷锟酵ｏ拷锟斤拷锟斤拷之锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷转锟斤拷锟斤拷

锟斤拷锟铰就筹拷锟斤拷锟斤拷锟斤拷锟阶ｏ拷锟斤拷说锟矫伙拷锟斤拷锟皆硷拷为unsafe锟斤拷锟金，碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟脚碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵诧拷锟矫憋拷锟斤拷通锟斤拷锟侥达拷锟斤拷锟斤拷锟斤拷却锟斤拷锟斤拷锟斤拷锟矫伙拷锟斤拷锟睫凤拷锟斤拷锟斤拷锟斤拷锟斤拷鲁锟斤拷锟斤拷诖锟斤拷锟斤拷铩拷锟斤拷锟酵拷锟斤拷锟斤拷呖刹锟斤拷峄ㄊ憋拷锟斤拷锟侥憋拷准锟斤拷锟斤拷锟斤拷么实锟街碉拷锟斤拷锟皆诧拷知锟斤拷 atomic.Pointer 锟斤拷unsafe锟斤拷什么锟斤拷系锟斤拷

go锟侥匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟� _ [0]*T 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷实锟斤拷锟斤拷锟斤拷每一锟斤拷 atomic.Pointer 锟斤拷只要T锟斤拷同锟斤拷锟斤拷锟角的底诧拷锟斤拷锟酵就会不同锟斤拷锟斤拷锟斤拷拇锟斤拷锟斤拷锟斤拷锟斤拷转锟斤拷锟酵诧拷锟斤拷锟杰凤拷锟斤拷锟斤拷锟斤拷锟斤拷选锟斤拷 *T 锟斤拷锟杰凤拷止锟斤拷锟斤拷锟矫碉拷锟斤拷 atomic.Pointer[atomic.Pointer[...]] 锟斤拷锟斤拷锟侥达拷锟斤拷锟斤拷氡拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷应锟斤拷也锟斤拷锟斤拷锟斤拷为什么锟斤拷说锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿ｏ拷只要锟斤拷姆锟斤拷锟斤拷锟斤拷锟斤拷歉锟斤拷峁癸拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵ｏ拷锟斤拷锟斤拷锟街段伙拷锟竭革拷锟斤拷锟斤拷锟斤拷锟斤拷没锟斤拷使锟矫碉拷锟斤拷锟斤拷锟斤拷锟酵诧拷锟斤拷锟斤拷锟斤拷么锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷途锟斤拷锌锟斤拷锟斤拷锟斤拷锟酵拷牡撞锟斤拷锟斤拷停锟斤拷佣锟斤拷锟斤拷锟絠ssue锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷全锟斤拷锟斤拷锟斤拷锟斤拷锟阶拷锟斤拷锟斤拷帧锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷歉锟缴讹拷锟斤拷

锟斤拷锟节结构锟斤拷锟斤拷锟斤拷锟斤拷锟皆ｏ拷锟斤拷go锟斤拷锟斤拷锟阶诧拷锟斤拷锟斤拷锟斤拷同锟酵匡拷锟皆伙拷锟斤拷转锟斤拷锟斤拷锟节伙拷锟劫ｏ拷锟斤拷同锟斤拷锟皆伙拷锟绞碉拷锟脚匡拷/锟斤拷锟斤拷锟斤拷锟斤拷转锟斤拷锟斤拷说锟斤拷锟剿撅拷锟斤拷只锟较结构锟斤拷锟斤拷锟斤拷锟斤拷锟侥ｏ拷锟结构锟斤拷同锟侥讹拷锟斤拷锟斤拷锟斤拷么锟斤拷锟节讹拷锟斤拷锟斤拷同一锟洁。锟斤拷锟絠ssue锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷些锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷not even wrong锟斤拷锟斤拷锟斤拷锟斤拷锟揭拷谋锟斤拷锟斤拷锟斤拷锟截憋拷锟斤拷锟狡碉拷锟斤拷锟解。

锟斤拷锟斤拷使锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷系统锟斤拷锟斤拷锟皆ｏ拷锟斤拷锟斤拷锟斤拷同锟斤拷锟斤拷同一锟洁不同锟斤拷锟斤拷锟铰结构锟斤拷一锟斤拷也锟角诧拷同锟斤拷锟酵★拷顺锟斤拷一锟结，c++锟斤拷golang锟斤拷rust锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟酵★拷golang锟侥底诧拷锟斤拷锟斤拷锟斤拷然锟斤拷锟斤拷锟斤拷转锟斤拷锟斤拷锟斤拷锟斤拷约锟斤拷锟较憋拷锟街碉拷锟斤拷峁癸拷锟斤拷锟斤拷停锟斤拷锟斤拷锟斤拷锟斤拷锟轿拷锟斤拷锟饺黄拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷停锟斤拷俜锟斤拷锟矫伙拷锟斤拷锟饺凤拷锟斤拷锟斤拷约锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟较低筹拷锟斤拷锟斤拷锟饺拷锟斤拷锟斤拷业锟揭伙拷锟街拷锟揭诧拷小锟�

锟斤拷全锟侥结构锟斤拷锟斤拷锟斤拷锟斤拷锟皆诧拷锟斤拷么锟斤拷锟斤拷锟斤拷锟斤拷蔷锟斤拷猿锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絚++锟斤拷使锟斤拷鸭锟斤拷锟斤拷锟酵碉拷python为锟斤拷锟斤拷

锟斤拷python锟斤拷锟斤拷锟角匡拷锟斤拷锟皆讹拷锟斤拷锟斤拷锟酵的癸拷锟届函锟斤拷锟斤拷锟斤拷丝锟斤拷锟斤拷诠锟斤拷旌拷锟斤拷锟绞碉拷锟斤拷锟斤拷锟阶拷锟斤拷锟斤拷呒锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷没锟斤拷锟皆讹拷锟藉构锟届函锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥匡拷锟皆凤拷锟斤拷锟斤拷锟斤拷锟酵碉拷锟洁方锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷之锟斤拷默锟斤拷锟斤拷锟睫凤拷锟斤拷锟斤拷转锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷python锟斤拷锟角诧拷锟斤拷锟斤拷趾锟絞o一锟斤拷锟斤拷锟斤拷锟斤拷摹锟�

c++锟斤拷python锟斤拷锟狡ｏ拷锟矫伙拷锟斤拷锟皆讹拷锟斤拷幕锟侥拷喜锟斤拷锟斤拷锟斤拷锟轿猴拷转锟斤拷途锟斤拷锟斤拷锟斤拷python锟斤拷一锟斤拷锟侥地凤拷锟斤拷锟斤拷c++锟斤拷锟剿癸拷锟届函锟斤拷之锟解还锟斤拷转锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街э拷锟� 锟节癸拷锟斤拷锟斤拷锟斤拷锟铰碉拷锟斤拷式转锟斤拷锟斤拷锟矫伙拷锟斤拷要锟皆硷拷锟斤拷锟斤拷转锟斤拷锟斤拷锟届函锟斤拷/转锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锓拷锟斤拷锟斤拷锟斤拷锟斤拷锟铰诧拷锟斤拷实锟斤拷锟斤拷锟斤拷锟斤拷同锟斤拷锟酵硷拷锟阶拷锟斤拷锟斤拷锟斤拷转锟斤拷锟角碉拷锟斤拷锟斤拷双锟斤拷锟絧ython一锟斤拷锟斤拷锟矫伙拷锟皆硷拷锟斤拷锟狡★拷锟斤拷锟斤拷c++锟斤拷也锟斤拷锟斤拷锟斤拷go锟斤拷锟斤拷锟解。

锟斤拷锟斤拷rust锟斤拷Java锟斤拷...锟揭就诧拷一一锟叫撅拷锟剿★拷

锟杰讹拷锟斤拷之锟斤拷也锟斤拷go锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟芥—锟斤拷锟斤拷锟斤拷一些锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟窖筹拷锟街碉拷锟斤拷锟斤拷然锟斤拷锟矫硷拷锟斤拷锟街讹拷去锟睫革拷锟斤拷

锟杰斤拷

锟斤拷锟角革拷习锟斤拷go锟斤拷锟斤拷锟斤拷锟阶拷锟斤拷锟斤拷锟剿筹拷锟斤拷锟斤拷一锟斤拷锟斤拷氐目印锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷椋�

锟斤拷锟矫凤拷锟斤拷锟街诧拷锟斤拷瓤樱锟斤拷锟斤拷锟斤拷诮峁癸拷锟斤拷侄位锟斤拷吒锟斤拷锟斤拷锟斤拷锟斤拷锟绞癸拷梅锟斤拷锟斤拷锟斤拷筒锟斤拷锟斤拷锟绞癸拷锟� _ [0]*T 锟斤拷锟斤拷锟斤拷锟街段诧拷锟斤拷使锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟解，锟斤拷锟斤拷锟斤拷锟斤拷锟酵的筹拷始锟斤拷锟斤拷锟介烦锟斤拷锟斤拷锟斤拷 atomic.Pointer 锟斤拷锟斤拷锟津不碉拷锟皆碉拷时锟斤拷锟揭诧拷锟斤拷锟狡硷拷使锟矫★拷
锟斤拷锟矫凤拷锟酵碉拷锟斤拷锟铰憋拷锟斤拷锟斤拷秃锟斤拷约锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵拷牡撞锟斤拷锟斤拷停锟斤拷锟斤拷锟斤拷拢锟斤拷锟斤拷远锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟阶拷锟斤拷锟斤拷锓拷锟斤拷锟斤拷耍锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭拷锟斤拷锟斤拷锟皆讹拷锟斤拷锟斤拷锟斤拷之锟斤拷转锟斤拷锟斤拷锟斤拷锟斤拷一些 toTypeA 之锟斤拷姆锟斤拷锟斤拷锟斤拷锟斤拷锟阶拷锟斤拷锟斤拷叹锟斤拷锟斤拷锟斤拷锟狡的诧拷锟斤拷锟斤拷go默锟较碉拷锟剿★拷
锟斤拷锟斤拷锟斤拷锟斤拷锟酵和伙拷锟斤拷锟斤拷些锟斤拷锟酵碉拷锟皆讹拷锟斤拷锟斤拷锟斤拷之锟斤拷转锟斤拷锟斤拷锟斤拷锟矫簧讹拷玫锟斤拷牡模锟斤拷锟轿拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭撅拷锟斤拷锟斤拷墓锟较碉拷锟绞碉拷诰锟斤拷貌锟斤拷锟斤拷锟斤拷锟皆诧拷锟斤拷 type T []int 锟斤拷锟斤拷锟斤拷锟酵讹拷锟藉换锟斤拷 type T struct { data []int } 锟斤拷锟斤拷锟桔筹拷锟剿达拷锟斤拷鋯拷锟斤拷饣癸拷泻芏锟斤拷锟斤拷锟斤拷片锟斤拷锟斤拷锟侥猴拷锟斤拷锟斤拷range循锟斤拷没锟斤拷直锟斤拷锟斤拷锟剿★拷

锟斤拷go锟斤拷锟斤拷锟节简单碉拷锟斤法锟斤拷锟斤拷锟斤暗锟斤拷杀锟斤拷锟斤拷锟斤拷锟皆伙拷锟斤拷挺锟斤拷锟斤拷思锟侥ｏ拷锟斤拷锟街伙拷锟斤拷锟斤拷俪傻幕锟街革拷锟斤拷锟绞裁词憋拷锟酵踩碉拷锟斤拷锟斤拷锟剿★拷

小锟斤拷锟狡硷拷锟侥讹拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥斤拷为锟斤拷锟斤拷锟斤拷息锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷同锟斤拷锟睫观碉拷锟街な碉拷锟斤拷锟斤拷锟斤拷锟�

a 1.0: 锟斤拷锟酵ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷营状态锟斤拷锟斤拷式锟斤拷营锟斤拷锟斤拷锟斤拷锟皆ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷; 锟斤拷戏锟斤拷锟斤拷

锟斤拷戏锟斤拷锟�

锟斤拷戏锟斤拷频

锟斤拷戏锟斤拷锟斤拷

锟斤拷戏锟筋动; 锟斤拷alittletotheleft锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟筋备锟杰伙拷迎锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷戏锟斤拷锟斤拷业锟斤拷锟斤拷锟斤拷嵌锟斤拷粘锟斤拷锟斤拷锟斤拷械母锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷

Go v1.62: 锟斤拷锟酵ｏ拷锟斤拷锟斤拷冒锟斤拷锟斤拷锟斤拷锟斤拷营状态锟斤拷锟斤拷式锟斤拷营锟斤拷锟斤拷锟斤拷锟皆ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷; 锟斤拷戏锟斤拷锟斤拷

锟斤拷戏锟斤拷锟�

锟斤拷戏锟斤拷频

锟斤拷戏锟斤拷锟斤拷

锟斤拷戏锟筋动; GoEscape锟斤拷一锟斤拷锟皆癸拷锟斤拷锟斤拷锟斤拷锟叫达拷锟斤拷锟斤拷戏锟斤拷锟斤拷锟斤拷锟斤拷锟较凤拷校锟斤拷锟揭匡拷锟斤拷锟斤拷战锟斤拷锟斤拷锟截匡拷锟斤拷通锟斤拷锟斤拷转锟斤拷幕锟侥凤拷式锟斤拷锟斤拷锟斤拷锟斤拷