Marcin Szamotulski wrote:
> The ch_sendexpr requires a callback to run asynchronously. In my
> scenario I add a listener od the channel and still I'd like to run
> ch_sendexpr asynchronous, I can add the same callback as on the
> channel, but this seems not intuitive. I'd suggest to use a boolean
> option passed to ch_sendexpr to run asynchronously or not.
You can do it this way:
let channel = ch_open('localhost:8765', {'callback': "MyHandler"})
call ch_sendexpr(channel, 'hello!', {'callback': 0})
It's just above ":help channel-open". Hmm, I notice some examples for
ch_sendexpr() need to be updated to take the options dictionary.
I think this does what you want. It's a bit verbose perhaps. I first
had a string argument (which could be zero for no callback), but we want
to pass more options and the number of arguments would grow.
An alternative is to add more functions, e.g. ch_sendexpr_async(), but
that doesn't seem like a good idea.
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