Rob*_*bin -2 dictionary go race-condition

-race
--- FAIL: TestRaceCondition (0.00s)
    testing.go:853: race detected during execution of test
func TestRaceCondition(t *testing.T) {
    var map sync.Map
    for i := 0; i < 10; i++ {
        go func() {
            map.Store(strconv.Itoa(i), nil)
        }()
    }
}

我不明白,因为根据文档,

Map [...] 对于多个 goroutine 并发使用是安全的,无需额外的锁定或协调。