h-j-13 commented on issue #8869:
URL: https://github.com/apache/pulsar/issues/8869#issuecomment-742217933
> Use lambda capture
>
> ```c++
> consumer.receiveAsync([&consumer](Result code, const Message& msg) {
> // process `code` and `msg`...
> consumer.acknowledge(msg);
> });
> ```
Thx, it worked. But I still think that the parameters of the callback
function should be updated like
```c
typedef std::function<void(Consumer consumer, Result, const Message& msg)>
ReceiveCallback;
```
to keep the code style uniform
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