小编Fis*_*ish的帖子

concurrentMap()函数Have WARNING: DATA RACE和致命错误：concurrent map read and map write

concurrentStruct() 有警告：数据竞赛，但运行正常

为什么struct可以进行DATA RACE？

package main

import (
    "sync"
)

func main() {
    // concurrentMap()
    concurrentStruct()
    // concurrentStructWithMuLock()
}

type Metadata struct {
    mu  sync.RWMutex // 
    key bool
}

// concurrentStruct ???????
// concurrent read and write the struct
// go run -race  main.go   ? WARNING: DATA RACE???????
// go run -race  main.go   It have WARNING: DATA RACE, But running ok
func concurrentStruct() {
    m := …