Go (??? ?????)

Go
????????	????? ?????, concurrent computing, ????? ?????-?????, ????? ?????????, ????? ?????????, ????? ??????????
????? ????	10 ??????? 2009
?????	??? ????, ?? ???????, ????? ??????
????	???? ????
?????? ?? ???	APL, C (??? ?????), ???????2, Newsqueak, BCPL, ??????, Smalltalk, ????, ??????-2, ??????, ?????, CSP, ????? ??????, occam, ????? ?? ????? ??? ????? ???? ??????
??????	?????? BSD
?????	‎.go
	go.dev

百度预防儿童性侵，家长是守门人。

Go ??? ??? ????? ?????? ?????? ?????? ?????? ????? ????? ????? ?????? ?????-?????, ???? ???????? ????? ??????, ??? ?? ????? ????? ??? ?? ??? C. ???? ?????? ?? ??? ???? ???? (????? ???? ??? - ??? ??????? ???????? ??? ?????) ???????? ??? ??????? ??????? ??? ????^[1]. ?????? ?? ???? ???? ??????? 2007, ???? ?????? ????? ??????? 2009.

???? ?????? ???? ?????? ??? ????? ?-Go ????? Hugo, Datadog, Docker‏ ???????.

?????

??? Go ??????? ????? ????? ??????? ?????? ??? ???? ???????? ????? ??????? ??????, ???? ??? ????? ?? ????? ?????? ??????? ????? ????????. ????? ?????? ??? ??:

????? ?????: ?????? ????????? ??????? ????? ???????.
????? ???? ????????? ??????? ??? ?????? ?????? ????? ??????.
????? ??? ???? ??? ???? ??????? ???????.
??? ????? ????.

??????

????? ???? ????? ?? ?????? ?? ??? C - ????? ???????? ????????, ???? ???? ????? ?????? ?? ??????. ??? ??????? ?????? ???? ???? C ???? ?????? ?? ????? ???????? ????? ?????, ?????? ?????????? ?????? ????? ?????? ???? (????, go ?-select) ????? ?????? ???? C. ?????? ?? ??? ?? ????? ?? ?? ??? ??????? ?? ??? Python^[2], ???? ???? ?????? ??? ???? ?????, ?????? ?????-????? (multi-line string), ????? ?? ???? "?????" ?????? ????? ?? ?????? (????: "[2:12]str") ????.

???? ???? ???? ???? C ???????? ??? ??? ?????? ?? ?????? ???????? ?????????. ??????? ???? ???? C:

int a, b;
int foo(int a, int b);

?????? ?????? ???????:

var a, b int
func foo(a, b int) int

????? ?????? ????? ?? ??? ????? (?????? fmt) ??????? ????? ????? ??????? ???? ????? ???????. ??? ???? ????? ??????? ??? ??? ??? ????? ???? ???? ?? ???????? ??????. ??????? ???????? ??????? ???? ?? ????? ?? ???? ?????? ?????? ????? ???? ??? ????? ?????? ?? ????? ??????? (?????? ????? ?? ??????? ???? ????? ?????? ?-C). ????? ?? ?????? ????? ?? ????? ????, ?????? ????? ?? ????, ???? ?? ????? ???? ????.

???? ????? ????????? ???? - ?????, ???? ?????? ???????? ????????, ?????? ???????? ????????? ?????, ????? ???? ?? ??????? ?? ??????. ???????? ???? GO ?? ????.

??? ???? ????? ??????? ????? ??????? ?????? try..catch ????? ????? ++C, ?'???? ?? #C. ????? ??? ???? ?????? ????? ???? ????? ???????? ?????? ?????? ???? "error" ?????? ????? ??????? ??????:

if value, err := someFunction(someVar);err!=nil{
 fmt.Println("there was an error calling 'somefunction' : %s ", err.Error())
}

??? ???? ?????? panic ???? ?????? ????, ??? ?????? defer ?????? ???????? ?????? ????? ???? ???? ???????? ???????.

????? ????????

??????? ?????? ????:

?????	?????	?????	????	?????	????? ??????
integer	???? ???	int8 int16 int32 int64	‏8 ????? 16 ????? 32 ????? 64 ?????	???? ??? ?????? ????? ?-2	24-
unsigned integer	???? ????	uint8 uint16 uint32 uint64	‏8 ????? 16 ????? 32 ????? 64 ?????	???? ??? ?????? ?????? ???????	24
float	???? ????	float32 float64	‏32 ????? 64 ?????	????? ??? ?? ?? ???? ??????	0.5
complex	???? ?????	complex64 complex128	‏64 ????? 128 ?????	???? ????? ?????? ????? ??? ?? ?? ???? ??????. ???? ?????? ???? ????? ???? i	‏ 12+5i
string	??????	string	?????	?????? ???? ??????? ????? ?????? (?? ????)	"hello"

????? ????? ?????

??? GO ????? ????? ??? ?????? ????? ??????^[3] ??? ???? ???????? ????? ???? ++C,‏ #C‏ ?? Java, ????? ????? ????? ??????? ?? ?????, ?? ?????? ??????????, ????? ???????^[4] ,?????????? ??????? ???? ?????? ??? ??????? ????? ????? ????? ?????? ????^[5], ?? ??????? ???? ???? ????^[6].

???????? ??????

??????? ????? ????????:

????? - ?????, ?????? ?????? ??????? ????? ???? ?????, ???? ????? ????? ?????.
?????? ????? - ?????, ????? ?? ????? ????? ?? ?? ???, ?? ???? ?????? ?? ?????? ??????? ????? ???????? =: ????? ????? ??????, ?? ?????? ?? ?? ??????, ?? ?????? ????? ??? ??????.
????? - ?????, ?? ???? ????? ?? ????? ???????? ????? ???? ?? ??? ?????? ????? ?? ????? ?????? ????? ????. ???? ?? ???? ?????? ????? ???? ???? ????? ?? ?????? ?? ???????. ??????? ????? ???? ????????? ????? ???? ??????? ???.

?????? ?????? ????

??? GO ?????? ?????? ?????? "????" - ?? ?? ?????? ?? ??????, ?????? ???????? ?????? ??? ????? ????, ????? ???? ???? ?? ????? ?? ??????. ?? ??? ???? interface, ???? ???? ????? ?-interface ???? Java, ?? ????? ?????: ??? ?? ???? ?????? ?????? ???? ?????? ???? ?? ?????.

?-GO ??? ????? ?????? ???? (???? ????? 1.01), ???? ????? ?????? interface - ????? ???? ???? ???????? ?? ?????? ??????? ?? ??? ??????? ?? ?????????? ????, ?? ?? ???? ??????? ?????, ???? ???????? Max ?????? ?? ????? ????? ????? ?????. ???? ???? ?????? ???? ?????, ?????? ??????, ???? ?????? ????? ??? ({}interface) ?????? ?????? ?-*void ???? C, ????? ???? (?????? ????? ???????? ???? ????) ??? ????? ?????? ????? ???????. ?? ???, ??? ???? ???? ?????? ???? ??? ?????? ???? ++C ?? Generics ????? #C ??'????, ?? ????? ???????? ???? ?????. ?? ?? ??? ?????^[7]: ”????? ?????? ???? ?????? ???? ?????. ????? ?? ??????? ???? ???? ???, ?? ?? ??? ?????? ????? ??????? ??? ???? ??.”

?????? Hello world

?????? Hello world, ????? ??? ?????? ?? ???? Hello world:

package main

func main() {
 Println("Hello, World")
}

???? ??? ???? ?????? ?????? ????, ????? ?????? echo ???????:

package main

import (
"os"
 "flag" // command line option parser
)

var omitNewline = flag.Bool("n", false, "don't print final newline")

const (
 Space = " "
 Newline = "\n"
)

func main() {
 flag.Parse() // Scans the arg list and sets up flags
 var s string
 for i := 0; i < flag.NArg(); i++ {
 if i > 0 {
 s += Space
 }

 s += flag.Arg(i)
 }

 if !*omitNewline {
 s += Newline
 }

 os.Stdout.WriteString(s)
}

??????? ????????

??? ???????? ????? ?? Go (???????)
??? ???????? ????? ?? Go (???????)

Go, ???? ??????? ??? (??????)
Go, ??????? ????? ???????

?? ???? ?? ??? Go
????? ??????? ????? ????
???? ??? ?-Go ?-??????
???? ?? ???? ????, ?? ????????? ?????? ??? Go

????? ??????

^ Go, GitHub (???????)
^ Google's Go: A New Programming Language That's Python Meets C++, TechCrunch (???????)
^ Frequently Asked Questions (FAQ) - The Go Programming Language, go.dev
^ Effective Go - The Go Programming Language, go.dev
^ Is Go object oriented?, flaviocopes.com (???????)
^ Composition over Inheritance in Go, odetocode.com
^ Frequently Asked Questions (FAQ)‎, ???? The Go Programming Language

[1] Go, GitHub (???????)

[2] Google's Go: A New Programming Language That's Python Meets C++, TechCrunch (???????)

[3] Frequently Asked Questions (FAQ) - The Go Programming Language, go.dev

[4] Effective Go - The Go Programming Language, go.dev

[5] Is Go object oriented?, flaviocopes.com (???????)

[6] Composition over Inheritance in Go, odetocode.com

[7] Frequently Asked Questions (FAQ)‎, ???? The Go Programming Language

[1]

[2]

[3]

[4]

[5]

[6]

[7]

凌晨五点是什么时辰	装腔作势是什么意思	钢琴10级是什么水平	白羊座前面是什么星座	rh血型D阳性是什么意思
岁寒三友是指什么	一什么村庄	挂读是什么意思	伤口愈合为什么会痒	哺乳期吃什么奶水多
rr是什么牌子	月经来黑色是什么原因	小case什么意思	线差是什么意思	弱肉强食是什么意思
飞机杯是什么感觉	zzy是什么意思	什么都别说	小孩抽多动症吃什么药最好	惠五行属什么

什么人不适合喝咖啡hcv8jop8ns2r.cn	百合不能和什么一起吃hcv7jop9ns6r.cn	狐假虎威是什么意思hcv8jop7ns7r.cn	尼姑是什么生肖hcv9jop2ns3r.cn	美国全称是什么hcv8jop3ns2r.cn
我用什么才能留住你hcv8jop9ns7r.cn	七月七日是什么节日wuhaiwuya.com	猴子属于什么类动物hcv9jop2ns8r.cn	合拍是什么意思hcv8jop0ns0r.cn	梦见鞋子是什么意思inbungee.com
奶白色是什么颜色xinjiangjialails.com	增强记忆力吃什么hcv8jop3ns8r.cn	桑葚搭配什么泡水喝最好hcv9jop0ns0r.cn	眼睑炎用什么药效果好hcv7jop6ns3r.cn	茶多酚是什么hcv8jop8ns8r.cn
vivo是什么品牌手机hcv8jop4ns5r.cn	欣喜若狂的近义词是什么hcv8jop8ns4r.cn	炖什么汤对肺部最好hcv8jop3ns3r.cn	青蒜炒什么好吃hcv8jop3ns1r.cn	腮腺炎看什么科室hcv9jop5ns7r.cn