msgpass 0.5.0

Thin wrapper to a Message Passing Interface (MPI)
Documentation 
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use msgpass::*;
use std::env;

fn main() -> Result<(), StrError> {
    let np = match env::var("CI") {
        Ok(_) => 2,
        Err(_) => 4,
    };

    assert!(!mpi_initialized()?);

    mpi_init()?;

    let rank = mpi_world_rank()?;
    let size = mpi_world_size()?;

    assert!(mpi_initialized()?);
    assert!(rank <= np);
    assert_eq!(size, np);

    mpi_finalize()?;

    if rank == 0 {
        println!("... success ...");
    }
    Ok(())
}