Enum shakmaty_syzygy::Wdl

#[repr(i8)]
pub enum Wdl {
    Loss,
    BlessedLoss,
    Draw,
    CursedWin,
    Win,
}

5-valued evaluation of a position in the context of the 50-move drawing rule.

Variants

Loss

Unconditional loss for the side to move.

BlessedLoss

Loss that can be saved by the 50-move rule.

Draw

Unconditional draw.

CursedWin

Win that can be frustrated by the 50-move rule.

Win

Unconditional win.

Methods

impl Wdl

pub fn from_outcome(outcome: Outcome, pov: Color) -> Wdl

Converts outcome to a Wdl from the given point of view.

pub fn from_dtz_after_zeroing(dtz: Dtz) -> Wdl

Converts dtz to a Wdl.

Typically the result would be ambiguous for absolute DTZ values 100. This conversion assumes that such values were given immediately after a capture or pawn move, in which case the outcome is an unconditional win or loss.

Trait Implementations

impl Copy for Wdl

impl PartialEq<Wdl> for Wdl

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

This method tests for self and other values to be equal, and is used by ==.

#[must_use]

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

This method tests for !=.

impl Clone for Wdl

fn clone(&self) -> Wdl

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Ord for Wdl

fn cmp(&self, other: &Wdl) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

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

Restrict a value to a certain interval.

impl From<Wdl> for i8

fn from(wdl: Wdl) -> i8

Performs the conversion.

impl From<Wdl> for i16

fn from(wdl: Wdl) -> i16

Performs the conversion.

impl From<Wdl> for i32

fn from(wdl: Wdl) -> i32

Performs the conversion.

impl From<Wdl> for i64

fn from(wdl: Wdl) -> i64

Performs the conversion.

impl From<Wdl> for i128

fn from(wdl: Wdl) -> i128

Performs the conversion.

impl From<Wdl> for isize

fn from(wdl: Wdl) -> isize

Performs the conversion.

impl Eq for Wdl

impl PartialOrd<Wdl> for Wdl

fn partial_cmp(&self, other: &Wdl) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

#[must_use]

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

This method tests less than (for self and other) and is used by the < operator.

#[must_use]

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

This method tests less than or equal to (for self and other) and is used by the <= operator.

#[must_use]

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

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]

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

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl Debug for Wdl

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

Formats the value using the given formatter.

impl Neg for Wdl

type Output = Wdl

The resulting type after applying the - operator.

fn neg(self) -> Wdl

Performs the unary - operation.

impl Hash for Wdl

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, 

Feeds a slice of this type into the given [Hasher].