Struct TupleMap 

pub struct TupleMap<K: PartialEq, V>(/* private fields */);

Key-Value map to handle a few entires.

Usually, a web app handles 0 ~ 4 custom headers, and so simple Vec<(K, V)> is efficient than HashMap<K, V> to store/iterate/mutate.

Implementations

impl<K: PartialEq, V> TupleMap<K, V>

pub fn new() -> Self

pub fn get<Q>(&self, key: &Q) -> Option<&V>

where K: Borrow<Q>, Q: PartialEq + ?Sized,

pub fn get_mut<Q>(&mut self, key: &Q) -> Option<&mut V>

where K: Borrow<Q>, Q: PartialEq + ?Sized,

pub fn insert(&mut self, key: K, value: V) -> Option<V>

pub fn remove(&mut self, key: K) -> Option<V>

pub fn append(&mut self, another: Self)

pub fn clear(&mut self)

pub fn iter(&self) -> impl Iterator<Item = &(K, V)>

pub fn keys(&self) -> impl Iterator<Item = &K>

pub fn values(&self) -> impl Iterator<Item = &V>

Trait Implementations

impl<K: Clone + PartialEq, V: Clone> Clone for TupleMap<K, V>

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<K, V> Debug for TupleMap<K, V>

where K: Debug + PartialEq, V: Debug,

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

Formats the value using the given formatter.

impl<K: PartialEq, V> Default for TupleMap<K, V>

fn default() -> Self

Returns the “default value” for a type.

impl<'de, K, V> Deserialize<'de> for TupleMap<K, V>

where K: Deserialize<'de> + PartialEq, V: Deserialize<'de>,

fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error>

Deserialize this value from the given Serde deserializer.

impl<K: PartialEq, V> FromIterator<(K, V)> for TupleMap<K, V>

fn from_iter<T: IntoIterator<Item = (K, V)>>(iter: T) -> Self

Creates a value from an iterator.

impl<K: PartialEq, V> IntoIterator for TupleMap<K, V>

type Item = (K, V)

The type of the elements being iterated over.

type IntoIter = IntoIter<(K, V)>

Which kind of iterator are we turning this into?

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.

impl<K: PartialEq, V: PartialEq> PartialEq for TupleMap<K, V>

fn eq(&self, other: &Self) -> 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.