Struct at_collection::AtLeastOne

pub struct AtLeastOne<T> { /* fields omitted */ }

Methods

impl<T> AtLeastOne<T>

pub fn new(a: T) -> AtLeastOne<T>

pub fn new_and(a: T, v: Vec<T>) -> AtLeastOne<T>

impl<T> AtLeastOne<T>

pub fn one(&self) -> Result<&T, Error>

pub fn to_one(&self) -> &T

Trait Implementations

impl<T> AtCollection<T> for AtLeastOne<T>

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

fn as_vec(self) -> Vec<T>

fn into_iter(self) -> IntoIter<T>

fn iter(&self) -> Iter<T>

impl<T: Clone> Clone for AtLeastOne<T>

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

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T: Ord> Ord for AtLeastOne<T>

fn cmp(&self, other: &AtLeastOne<T>) -> 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<T: PartialOrd> PartialOrd<AtLeastOne<T>> for AtLeastOne<T>

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

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

fn lt(&self, other: &AtLeastOne<T>) -> bool

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

fn le(&self, other: &AtLeastOne<T>) -> bool

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

fn gt(&self, other: &AtLeastOne<T>) -> bool

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

fn ge(&self, other: &AtLeastOne<T>) -> bool

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

impl<T: PartialEq> PartialEq<AtLeastOne<T>> for AtLeastOne<T>

fn eq(&self, other: &AtLeastOne<T>) -> bool

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

fn ne(&self, other: &AtLeastOne<T>) -> bool

This method tests for !=.

impl<T: Eq> Eq for AtLeastOne<T>

impl<T: Debug> Debug for AtLeastOne<T>

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

Formats the value using the given formatter.

impl<T> Deref for AtLeastOne<T>

type Target = [T]

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl<T: Hash> Hash for AtLeastOne<T>

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

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<T> TryFrom<Vec<T>> for AtLeastOne<T>

type Error = Error

The type returned in the event of a conversion error.

fn try_from(value: Vec<T>) -> Result<Self, Self::Error>

Performs the conversion.