Enum Or

pub enum Or<L, R> {
    Left(L),
    Right(R),
    Both(L, R),
}

Holds an L, or an R, or both

Variants

Left(L)

Just an L

Right(R)

Just an R

Both(L, R)

Both an L and an R

Implementations

impl<L, R> Or<L, R>

pub fn new(l: Option<L>, r: Option<R>) -> Option<Or<L, R>>

Construct an Or<L, R> if at least one argument is Some

pub fn split(self) -> (Option<L>, Option<R>)

Destructure into two Options, where either or both are Some

pub fn left(self) -> Option<L>

Extract L regardless of whether R is present

pub fn right(self) -> Option<R>

Extract R regardless of whether L is present

pub fn map<L1, R1, F, G>(self, f: F, g: G) -> Or<L1, R1>

where F: FnOnce(L) -> L1, G: FnOnce(R) -> R1,

Transform L with f and R with g

pub fn as_ref(&self) -> Or<&L, &R>

Convert from &Or<L, R> to Or<&L, &R>

pub fn as_mut(&mut self) -> Or<&mut L, &mut R>

Convert from &mut Or<L, R> to Or<&mut L, &mut R>

impl<L, R> Or<&L, &R>

where L: Clone, R: Clone,

pub fn cloned(self) -> Or<L, R>

Maps an Or<&L, &R> to an Or<L, R> by cloning its contents

Trait Implementations

impl<L, R> Clone for Or<L, R>

where L: Clone, R: Clone,

fn clone(&self) -> Or<L, R>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<L, R> Debug for Or<L, R>

where L: Debug, R: Debug,

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

Formats the value using the given formatter.

impl<L, R> Hash for Or<L, R>

where L: Hash, R: Hash,

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

where __H: Hasher,

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<L, R> Ord for Or<L, R>

where L: Ord, R: Ord,

fn cmp(&self, other: &Or<L, R>) -> Ordering

This method returns an Ordering between self and other.

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

where Self: Sized,

Compares and returns the maximum of two values.

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

where Self: Sized,

Compares and returns the minimum of two values.

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

where Self: Sized,

Restrict a value to a certain interval.

impl<L, R> PartialEq for Or<L, R>

where L: PartialEq, R: PartialEq,

fn eq(&self, other: &Or<L, R>) -> 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<L, R> PartialOrd for Or<L, R>

where L: PartialOrd, R: PartialOrd,

fn partial_cmp(&self, other: &Or<L, R>) -> Option<Ordering>

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

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

Tests less than (for self and other) and is used by the < operator.

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

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

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

Tests greater than (for self and other) and is used by the > operator.

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

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

impl<L, R> Query for Or<L, R>

where L: Query, R: Query,

type Item<'q> = Or<<L as Query>::Item<'q>, <R as Query>::Item<'q>>

Type of results yielded by the query

impl<L, R> Copy for Or<L, R>

where L: Copy, R: Copy,

impl<L, R> Eq for Or<L, R>

where L: Eq, R: Eq,

impl<L, R> QueryShared for Or<L, R>

where L: QueryShared, R: QueryShared,

impl<L, R> StructuralPartialEq for Or<L, R>