snurr 0.13.0

Read BPMN 2.0 files and run the process flow
Documentation 
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use snurr::Process;

extern crate pretty_env_logger;

#[derive(Debug, Default)]
struct Counter {
    count: u32,
}

fn main() -> Result<(), Box<dyn std::error::Error>> {
    pretty_env_logger::init();

    // Create process from BPMN file
    let bpmn = Process::<Counter>::new("examples/example.bpmn")?
        .task("Count 1", |input| {
            input.lock().unwrap().count += 1;
            None
        })
        .exclusive("equal to 3", |input| {
            match input.lock().unwrap().count {
                3 => "YES",
                _ => "NO",
            }
            .into()
        })
        .build()?;

    // Run the process with input data
    let counter = bpmn.run(Counter::default())?;

    // Print the result.
    println!("Count: {}", counter.count);
    Ok(())
}