Enum Error 

#[non_exhaustive]
pub enum Error {
    EmptyShape,
    TooManyDimensions,
    DimensionTooSmall,
    DimensionTooLarge,
    TooManySquares,
    IndexOutOfRange,
    HandUnderflow,
    TooManyPieces,
}

An error from constructing or transforming a Qi position.

Construction errors come from an invalid shape; transformation errors come from an out-of-range index, an impossible hand removal, or a piece count that would exceed the board.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

EmptyShape

The shape had no dimensions.

TooManyDimensions

The shape had more than MAX_DIMENSIONS.

DimensionTooSmall

A dimension size was zero.

DimensionTooLarge

A dimension size exceeded MAX_DIMENSION_SIZE.

TooManySquares

The total number of squares exceeded MAX_SQUARE_COUNT.

IndexOutOfRange

A board index was not a valid square on this board.

HandUnderflow

A hand removal asked to remove more copies of a piece than were held.

TooManyPieces

The number of pieces (board plus both hands) would exceed the number of squares.

Trait Implementations

impl Clone for Error

fn clone(&self) -> Error

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for Error

impl Debug for Error

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

Formats the value using the given formatter.

impl Display for Error

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

Formats the value using the given formatter.

impl Eq for Error

impl Error for Error

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 Hash for Error

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for Error

fn eq(&self, other: &Error) -> 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 Error