Struct JsonMap

pub struct JsonMap<K>
where
    K: Eq + Clone + Hash,
{ /* private fields */ }

The generic parameter K in JsonMap represents the key in the map, and it stores values implemented by the enum type JsonV.

zh-cn

JsonMap 中的泛型参数K是Map中的键，存储的值是由枚举类型JsonV实现的。

Implementations

impl<K> JsonMap<K>

where K: Eq + Clone + Hash,

pub fn new() -> Self

创建一个新的 Map 实例

pub fn insert(&mut self, key: K, value: JsonV<K>)

插入键值对到 Map 中

pub fn get_mut(&mut self, key: &K) -> Option<&mut JsonV<K>>

获取键对应的值的可变引用

pub fn entry(&mut self, key: K) -> Entry<'_, K, JsonV<K>>

获取或插入键值对，并返回对值的可变引用

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

获取所有键的集合

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

获取所有值的集合的不可变引用

pub fn values_mut(&mut self) -> impl Iterator<Item = &mut JsonV<K>>

获取所有值的集合的可变引用

pub fn get(&self, key: &K) -> Option<&JsonV<K>>

获取键对应的值

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

移除键值对

pub fn contains_key(&self, key: &K) -> bool

检查是否包含指定的键

pub fn len(&self) -> usize

获取 Map 中键值对的数量

pub fn clear(&mut self)

清空 Map 中的所有键值对

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

实现 iter 方法，返回 Map 的不可变迭代器

pub fn iter_mut(&mut self) -> impl Iterator<Item = (&K, &mut JsonV<K>)>

实现 iter_mut 方法，返回 Map 的可变迭代器

Trait Implementations

impl<K> Clone for JsonMap<K>

where K: Eq + Clone + Hash + Clone,

fn clone(&self) -> JsonMap<K>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<K> Debug for JsonMap<K>

where K: Eq + Clone + Hash + Debug,

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

Formats the value using the given formatter.

impl<K> Default for JsonMap<K>

where K: Eq + Clone + Hash,

fn default() -> Self

Returns the “default value” for a type.

impl<'de, K> Deserialize<'de> for JsonMap<K>

where K: Eq + Clone + Hash + Deserialize<'de>,

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl<K> From<JsonMap<K>> for JsonV<K>

where K: Eq + Hash + Clone,

fn from(value: JsonMap<K>) -> Self

Converts to this type from the input type.

impl<K> FromIterator<(K, JsonV<K>)> for JsonMap<K>

where K: Eq + Clone + Hash,

fn from_iter<I: IntoIterator<Item = (K, JsonV<K>)>>(iter: I) -> Self

Creates a value from an iterator.

impl<K> IntoIterator for JsonMap<K>

where K: Eq + Hash + Clone,

type Item = (K, JsonV<K>)

The type of the elements being iterated over.

type IntoIter = IntoIter<K, JsonV<K>>

Which kind of iterator are we turning this into?

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.

impl<K> Serialize for JsonMap<K>

where K: Eq + Clone + Hash + Serialize,

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

where __S: Serializer,

Serialize this value into the given Serde serializer.