Type Alias PrintJobFn 

pub type PrintJobFn = Arc<dyn Fn(JobContext, Vec<u8>, u32) -> Result<(), JobFailure> + Send + Sync>;

Callback to process a CUPS raster document on a device.

Returning Err(JobFailure) lets the framework propagate job-state-reasons / job-state-message to IPP clients.

Aliased Type

pub struct PrintJobFn { /* private fields */ }