Re: [go-nuts] confusing a lock demo about https://golang.org/ref/mem#tmp_8

Thanks a lot, I also want to know what the first lock meaning is? 在 2018年3月13日星期二 UTC+8下午9:32:35，Burak Serdar写道： > > The second lock waits until f() runs and unlocks the mutex. > > On Tue, Mar 13, 2018 at 3:37 AM, 郎凯 > wrote: > > var l sync.Mutex > > var a string > > >

Re: [go-nuts] confusing a lock demo about https://golang.org/ref/mem#tmp_8

The second lock waits until f() runs and unlocks the mutex. On Tue, Mar 13, 2018 at 3:37 AM, 郎凯 wrote: > var l sync.Mutex > var a string > > func f() { > a = "hello, world" > l.Unlock() > } > > func main() { > l.Lock() > go f() > l.Lock() > print(a) > } > > I'm a new