chess_game 0.2.0

use chess::{Square, Rank, File};

pub trait IsBackRank {
    fn is_back_rank(&self) -> bool;
}

impl IsBackRank for Square {
    fn is_back_rank(&self) -> bool {
        if self.get_rank() == Rank::Eighth || self.get_rank() == Rank::First {
            return true;
        }

        false
    }
}

pub trait From {
    fn from_rf(rank: u8, file: u8) -> Square;
}

impl From for Square {
    fn from_rf(rank: u8, file: u8) -> Square {
        let rank = match rank {
            0 => Rank::First,
            1 => Rank::Second,
            2 => Rank::Third,
            3 => Rank::Fourth,
            4 => Rank::Fifth,
            5 => Rank::Sixth,
            6 => Rank::Seventh,
            7 => Rank::Eighth,
            _ => panic!()
        };
        let file = match file {
            0 => File::A,
            1 => File::B,
            2 => File::C,
            3 => File::D,
            4 => File::E,
            5 => File::F,
            6 => File::G,
            7 => File::H,
            _ => panic!()
        };

        Square::make_square(rank, file)
    }
}