Enum GameError 

pub enum GameError {
    MovingPieceNotFound,
    KingIsSafe,
    KingIsInCheck,
    KingIsInCheckmate,
    KingCannotCastleSafetly,
    OurKingMustBeSafe,
    CaptureNotSet,
    CaptureAlly,
    NoCapturePiece,
    GameOver(Gamestate),
    CastlingUnderCheck,
    CastlingUnavailable,
    CastlingSquaresNotEmpty,
    InvalidPawnMovement,
    ParsingTurnFailed,
    UndoNotAvailable,
}

Error codes

Variants

MovingPieceNotFound

Origin square not found for moving piece

KingIsSafe

Unexpected king state for the turn

KingIsInCheck

Unexpected king state for the turn

KingIsInCheckmate

Unexpected king state for the turn

KingCannotCastleSafetly

King movement during castling must not be under check

OurKingMustBeSafe

Upon executing the turn, king must remain safe

CaptureNotSet

Turn missing info about the capture

CaptureAlly

Capture of an ally piece is not allowed

NoCapturePiece

Capture expected, but capture piece missing on the board on the destination square

GameOver(Gamestate)

Game over

CastlingUnderCheck

King can castle if it is not under check

CastlingUnavailable

Castling not possible

• Maybe king/rook has moved already and doing so made castling unavailable

CastlingSquaresNotEmpty

Squares between a rook and a king must be empty in order to perform castling turn

InvalidPawnMovement

Pawn moves:

• diagonally only by capture action
• straight in case of no capture action

ParsingTurnFailed

Turn notation is not correct

UndoNotAvailable

Undo unavailable

Trait Implementations

impl Debug for GameError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for GameError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Error for GameError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl PartialEq for GameError

fn eq(&self, other: &GameError) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for GameError