Nice. Thanks!
b0 := scanner.Bytes()
b1 := make([]byte, len(b0))
copy(b1, b0)
outChannel <- b1
Chris
On Mon, Aug 29, 2016 at 8:41 PM, Caleb Spare <cesp...@gmail.com> wrote:
> You can do
>
> b0 := scanner.Bytes()
> b1 := make([]byte, len(b0))
> copy(b0, b1)
> outChannel <- b0
>
> On Mon, Aug 29, 2016 at 8:23 PM, chris.lu via golang-nuts
> <golang-nuts@googlegroups.com> wrote:
> > I am reading a file line by line, and send it to a chan []byte, and
> consume
> > it on another goroutine.
> >
> > However, I found I must create a new []byte, because the scanner.Bytes()
> > returned a []byte slice that's shared, and the scanner may still write to
> > the []byte slice.
> >
> > How to efficiently create a new []byte slice that's not shared?
> >
> > The simple way I can think of is to []byte(string(bytes)).
> > Or am I approach this correctly at all?
> >
> > Chris
> >
> > scanner := bufio.NewScanner(file)
> >
> > for scanner.Scan() {
> >
> > // this conversion to string and then to []byte is needed.
> >
> > // calling scanner.Bytes() will cause malformed lines.
> >
> > outChannel <- []byte(scanner.Text())
> >
> > }
> >
> >
> > --
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