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echosample's Issues

to avoid data race

This code will cause data competition

package main

import (
	"fmt"
)

type Fruit struct {
	Name string
}


func main() {
	Race()
}
func Race() (newFruit Fruit) {
	go func() {
		newFruit = Fruit{Name: "Pear"}
	}()
	fmt.Printf("race3:exp:Pear,act:%v", newFruit.Name)
	return
}

//go run --race main.go
out put

PS D:\source\gopath\src\race\gofunc> go run --race main.go
race3:exp:Pear,act:==================
WARNING: DATA RACE
Write at 0x00c00003e1d0 by goroutine 6:
main.Race.func1()
	D:/source/gopath/src/race/gofunc/main.go:17 +0x3f

Previous read at 0x00c00003e1d0 by main goroutine:
runtime.convT2Estring()
	C:/GO/src/runtime/iface.go:332 +0x0
main.Race()
	D:/source/gopath/src/race/gofunc/main.go:19 +0x8e
main.main()
	D:/source/gopath/src/race/gofunc/main.go:13 +0x36

Goroutine 6 (running) created at:
main.Race()
	D:/source/gopath/src/race/gofunc/main.go:16 +0x6c
main.main()
	D:/source/gopath/src/race/gofunc/main.go:13 +0x36
==================
Found 1 data race(s)
exit status 66

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