21 Şub 2019 Per 17:12 tarihinde Burak Serdar <bser...@ieee.org> şunu yazdı:

> On Thu, Feb 21, 2019 at 6:51 AM Serhat Sevki Dincer <jfcga...@gmail.com>
> wrote:
> >
> > But observer goroutines are not supposed to push to or pull from the
> channel.
>
> What is a use case for observing a channel like this? If you call
> waitempty(ch), when it returns ch may or may not be empty. Similar for
> other functions. Looks like a good opportunity to create race
> conditions.
>

By definition, waitempty(ch) returns "when" ch buffer is empty.

Just after waitempty returns, ch buffer may or may not get new members.
waitempty has guarantee that it will stay empty.

>

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