Support non-blocking ("async") parsing

[making]

Non-blocking parsing was introduced by Jackson 2.9
FasterXML/jackson-core#57
Currently, JSON and Smile are supported.

It would be great for msgpack to support that to leverage Spring WebFlux, Reactive Streams and hopefully rsocket as a underlying serialization format.

Related links

• https://github.com/FasterXML/jackson-core/tree/master/src/main/java/com/fasterxml/jackson/core/json/async
• https://github.com/FasterXML/jackson-core/tree/master/src/main/java/com/fasterxml/jackson/core/async
• https://github.com/FasterXML/jackson-dataformats-binary/tree/master/smile/src/main/java/com/fasterxml/jackson/dataformat/smile/async
• https://github.com/spring-projects/spring-framework/blob/master/spring-web/src/main/java/org/springframework/http/codec/json/Jackson2Tokenizer.java

[komamitsu]

@making That's interesting. Thanks for letting us know.
I'll take a look at it later.

[amitlakra]

I was looking to adapt msgpack for one of my Spring Webflux based applications, when I stumbled upon this.
@komamitsu, is this being considered?