dou_dizhu

A Rust toolkit for the Chinese card game Dou Dizhu (斗地主).

This crate implements Dou Dizhu strictly following the Pagat rules, though it uses different terminology.

Features

• Hand representation
• Compile-time and runtime validation
• All standard Dou Dizhu play kinds (solo, pair, trio, chain, airplane, rocket, etc.)
• Play kind recognition
• Play comparison
• Enumerating all plays of specified characteristics within a hand

Usage

Add this to your Cargo.toml:

[dependencies]
dou_dizhu = "0.2"

Then:

use dou_dizhu::*;

fn main() {
    // Construct a play
    let airplane_with_solos = play!(const {
        Queen: 3,
        King: 3,
        Three,
        Four,
    })
    .unwrap();

    // Count how many stronger plays of the same kind exist in a full deck
    assert_eq!(
        Hand::FULL_DECK
            .plays(airplane_with_solos.kind())
            .filter(|p| p > &airplane_with_solos)
            .count(),
        77,
    );
}

License

Licensed under either of:

• Apache License, Version 2.0, (LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0)
• MIT license (LICENSE-MIT or https://opensource.org/licenses/MIT)

at your option.