# poster-rs using smol
This is a subscription demo app using poster-rs with smol runtime.
Usage:
```
MQTTv5 client library written in Rust.
Usage: smol-sub [OPTIONS] --host <HOST> --topic <TOPIC>
Options:
--host <HOST> Broker IP
--port <PORT> Broker port [default: 1883]
--topic <TOPIC> Topic
--username <USERNAME> Username
--password <PASSWORD> Password
-h, --help Print help
-V, --version Print version
```
Or simply via the cargo run:
```
cargo run --example smol-sub --host 192.168.0.109 --topic "example/#"
```