Type Alias ProgressCallback 

pub type ProgressCallback = Box<dyn FnMut(Progress) + Send>;

Available on (crate features blocking or tokio or serial) and (crate features blocking or tokio) only.

Closure type the adapters invoke after each acknowledged WRITE packet. Boxed for object safety; Send so async callers can ship the callback into spawn_blocking.

Aliased Type

pub struct ProgressCallback(/* private fields */);