Enum OneOrMany 

pub enum OneOrMany<T> {
    One(T),
    Many(Vec<T>),
}

Variants

One(T)

Many(Vec<T>)

Implementations

impl<T> OneOrMany<T>

pub fn map<U, F>(self, f: F) -> OneOrMany<U>

where F: Fn(T) -> U,

pub fn extend<Iter>(self, other: Iter) -> Self

where Iter: IntoIterator<Item = T>,

pub fn contains(&self, item: &T) -> bool

where T: PartialEq,

pub fn len(&self) -> usize

pub fn is_one(&self) -> bool

pub fn is_many(&self) -> bool

pub fn into_vec(self) -> Vec<T>

pub fn iter(&self) -> Iter<'_, T>

Trait Implementations

impl<T> AsRef<[T]> for OneOrMany<T>

fn as_ref(&self) -> &[T]

Converts this type into a shared reference of the (usually inferred) input type.

impl<T> Borrow<[T]> for OneOrMany<T>

fn borrow(&self) -> &[T]

Immutably borrows from an owned value.

impl<T> BorrowMut<[T]> for OneOrMany<T>

fn borrow_mut(&mut self) -> &mut [T]

Mutably borrows from an owned value.

impl<T: Clone> Clone for OneOrMany<T>

fn clone(&self) -> OneOrMany<T>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<T: Debug> Debug for OneOrMany<T>

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

Formats the value using the given formatter.

impl<T: Default> Default for OneOrMany<T>

fn default() -> Self

Returns the “default value” for a type.

impl<'de, T> Deserialize<'de> for OneOrMany<T>

where T: Deserialize<'de>,

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl<T> From<T> for OneOrMany<T>

fn from(item: T) -> Self

Converts to this type from the input type.

impl<T> From<Vec<T>> for OneOrMany<T>

fn from(items: Vec<T>) -> Self

Converts to this type from the input type.

impl<T> FromIterator<T> for OneOrMany<T>

fn from_iter<I: IntoIterator<Item = T>>(iter: I) -> Self

Creates a value from an iterator.

impl<T: Hash> Hash for OneOrMany<T>

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<'a, T> IntoIterator for &'a OneOrMany<T>

type Item = &'a T

The type of the elements being iterated over.

type IntoIter = Either<Once<&'a T>, Iter<'a, T>>

Which kind of iterator are we turning this into?

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.

impl<'a, T> IntoIterator for &'a mut OneOrMany<T>

type Item = &'a mut T

The type of the elements being iterated over.

type IntoIter = Either<Once<&'a mut T>, IterMut<'a, T>>

Which kind of iterator are we turning this into?

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.

impl<T> IntoIterator for OneOrMany<T>

type Item = T

The type of the elements being iterated over.

type IntoIter = Either<Once<T>, IntoIter<T>>

Which kind of iterator are we turning this into?

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.

impl<T: Ord> Ord for OneOrMany<T>

fn cmp(&self, other: &OneOrMany<T>) -> 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<T: PartialEq> PartialEq for OneOrMany<T>

fn eq(&self, other: &OneOrMany<T>) -> 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<T: PartialOrd> PartialOrd for OneOrMany<T>

fn partial_cmp(&self, other: &OneOrMany<T>) -> 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<T> Serialize for OneOrMany<T>

where T: Serialize,

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl<T: Eq> Eq for OneOrMany<T>

impl<T> StructuralPartialEq for OneOrMany<T>