atomic-movegen 0.2.0

Legal move generation for atomic chess.
Documentation 
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use atomic_movegen::board::Board;
use atomic_movegen::movegen;
use atomic_movegen::types::parse_sq;
use atomic_movegen::types::sq_str;
use atomic_movegen::types::*;
use std::env;

fn main() {
    atomic_movegen::attacks::init();
    let args: Vec<String> = env::args().collect();
    if args.len() < 3 {
        eprintln!("Usage: fen_after <fen> <move>");
        return;
    }
    let fen = &args[1];
    let movestr = &args[2];
    let mut board = Board::from_fen(fen).expect("Invalid FEN");

    let from_sq = parse_sq(&movestr[0..2]);
    let to_sq = parse_sq(&movestr[2..4]);

    let mut moves = MoveList::new();
    movegen::generate_legal(&board, &mut moves);

    for &m in moves.as_slice() {
        if m.from_sq() == from_sq && m.to_sq() == to_sq {
            let mut state = atomic_movegen::board::StateInfo::new();
            board.do_move(m, &mut state);
            println!("{}", board.fen());

            let mut moves2 = MoveList::new();
            movegen::generate_legal(&board, &mut moves2);
            moves2
                .as_mut_slice()
                .sort_by_key(|m| (m.from_sq() as u16, m.to_sq() as u16));
            println!("Legal moves ({} total):", moves2.len());
            for &m2 in moves2.as_slice() {
                println!("  {}{}", sq_str(m2.from_sq()), sq_str(m2.to_sq()));
            }
            return;
        }
    }
    println!("Move not found");
}