#[macro_use]
extern crate npy_derive;
extern crate npy;

use std::io::Read;
use npy::NpyData;

// examples/simple.npy is generated by this Python code:
//
// import numpy as np
// a = np.array([(1,2.5,4), (2,3.1,5)], dtype=[('a', 'i4'),('b', 'f4'),('c', 'i8')])
// np.save('examples/simple.npy', a)

#[derive(Serializable, Debug)]
struct Array {
    a: i32,
    b: f32,
    c: i64,
}

fn main() {
    let mut buf = vec![];
    std::fs::File::open("examples/simple.npy").unwrap()
        .read_to_end(&mut buf).unwrap();

    let data: NpyData<Array> = NpyData::from_bytes(&buf).unwrap();
    for arr in data {
        eprintln!("{:?}", arr);
    }
}