Struct triangulation::OptionIndex

pub struct OptionIndex(_);

Option, where None is represented by -1

Takes 8 bytes instead of 16.

Methods

impl OptionIndex

pub fn some(idx: usize) -> OptionIndex

Returns Some(idx) value

pub fn none() -> OptionIndex

Returns None value

pub fn is_some(self) -> bool

Returns true if it is a Some value

pub fn is_none(self) -> bool

Returns true if it is a None value

pub fn get(self) -> Option<usize>

Returns the associated Option value

Trait Implementations

impl Eq for OptionIndex

impl Clone for OptionIndex

fn clone(&self) -> OptionIndex

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Copy for OptionIndex

impl PartialOrd<OptionIndex> for OptionIndex

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

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

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

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

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

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

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

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

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

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

impl PartialEq<OptionIndex> for OptionIndex

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

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

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

This method tests for !=.

impl Ord for OptionIndex

fn cmp(&self, other: &OptionIndex) -> 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.

impl Hash for OptionIndex

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].

impl Debug for OptionIndex

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

Formats the value using the given formatter.