2. Boost Unordered Translation (zh_Hans)
3. Doc / Modules / Root / Pages / Reference / Unordered Node Map (adoc)
4. Chinese (Simplified Han script)
5. Zen

154 :731
	English Returns:;; A `const_iterator` referring to the first element of the container, or if the container is empty the past-the-end value for the container. Complexity:;; O(`bucket_count()`)
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 返回：指向容器第一个元素的 `const_iterator`，如果容器为空则返回容器的尾后值。 复杂度：O(`bucket_count()`) 73/1830 · 183 Needs editing
:791 :791
	English Requires:;; `value_type` is constructible from `args`. Returns:;; The `bool` component of the return type is `true` if an insert took place. + + If an insert took place, then the iterator points to the newly inserted element. Otherwise, it points to the element with equivalent key. Throws:;; If an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; Can invalidate iterators, but only if the insert causes the load to be greater than the maximum load. + + If `args...` is of the form `k,v`, it delays constructing the whole object until it is certain that an element should be inserted, using only the `k` argument to check. This optimization happens when `key_type` is move constructible or when the `k` argument is a `key_type`.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 要求：`value_type` 可从 `args` 构造。 返回：返回类型的 `bool` 分量为 `true` 表示发生了插入。 如果发生了插入，则迭代器指向新插入的元素；否则，指向具有等价键的元素。 抛出：如果除调用 `hasher` 之外的操作抛出异常，则该函数无效果。 注意：可能使迭代器失效，但仅当插入导致负载大于最大负载时才会发生。 如果 `args...` 的形式为 `k,v`，则该函数会延迟构造整个对象，直到确定应该插入元素为止，仅使用 `k` 参数进行检查。当 `key_type` 可移动构造或 `k` 参数本身就是 `key_type` 类型时，此优化生效。 302/7820 · 782 Needs editing
:812 :812
	English Requires:;; `value_type` is constructible from `args`. Returns:;; The `bool` component of the return type is `true` if an insert took place. + + If an insert took place, then the iterator points to the newly inserted element. Otherwise, it points to the element with equivalent key. Throws:;; If an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; Can invalidate iterators, but only if the insert causes the load to be greater than the maximum load. + + If `args...` is of the form `k,v`, it delays constructing the whole object until it is certain that an element should be inserted, using only the `k` argument to check. This optimization happens when `key_type` is move constructible or when the `k` argument is a `key_type`.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 要求：`value_type` 可从 `args` 构造。 返回：返回类型的 `bool` 分量为 `true` 表示发生了插入。 如果发生了插入，则迭代器指向新插入的元素；否则，指向具有等价键的元素。 抛出：如果除调用 `hasher` 之外的操作抛出异常，则该函数无效果。 注意：可能使迭代器失效，但仅当插入导致负载大于最大负载时才会发生。 如果 `args...` 的形式为 `k,v`，则该函数会延迟构造整个对象，直到确定应该插入元素为止，仅使用 `k` 参数进行检查。当 `key_type` 可移动构造或 `k` 参数本身就是 `key_type` 类型时，此优化生效。 302/7820 · 782 Needs editing
188 :832
	English Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/CopyInsertable[CopyInsertable^]. Returns:;; The `bool` component of the return type is `true` if an insert took place. + + If an insert took place, then the iterator points to the newly inserted element. Otherwise, it points to the element with equivalent key. Throws:;; If an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; Can invalidate iterators, but only if the insert causes the load to be greater than the maximum load. + + A call of the form `insert(x)`, where `x` is equally convertible to both `const value_type&` and `const init_type&`, is not ambiguous and selects the `init_type` overload.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 要求：`value_type` 满足 https://en.cppreference.com/w/cpp/named_req/CopyInsertable[可拷贝插入^]。 返回：返回类型的 `bool` 分量为 `true` 表示发生了插入。 如果发生了插入，则迭代器指向新插入的元素；否则，指向具有等价键的元素。 抛出：如果除调用 `hasher` 之外的操作抛出异常，则该函数无效果。 注意：可能使迭代器失效，但仅当插入导致负载大于最大负载时才会发生。 形式为 `insert(x)` 的调用，如果 `x` 可以同等转换为 `const value_type&` 和 `const init_type&`，则不会产生歧义，并且会选择 `init_type` 重载。 354/7290 · 729 Needs editing
193 :852
	English Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/MoveInsertable[MoveInsertable^]. Returns:;; The `bool` component of the return type is `true` if an insert took place. + + If an insert took place, then the iterator points to the newly inserted element. Otherwise, it points to the element with equivalent key. Throws:;; If an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; Can invalidate iterators, but only if the insert causes the load to be greater than the maximum load. + + A call of the form `insert(x)`, where `x` is equally convertible to both `value_type&&` and `init_type&&`, is not ambiguous and selects the `init_type` overload.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 要求：`value_type` 满足 https://en.cppreference.com/w/cpp/named_req/MoveInsertable[可移动插入^]。 返回：返回类型的 `bool` 分量为 `true` 表示发生了插入。 如果发生了插入，则迭代器指向新插入的元素；否则，指向具有等价键的元素。 抛出：如果除调用 `hasher` 之外的操作抛出异常，则该函数无效果。 注意：可能使迭代器失效，但仅当插入导致负载大于最大负载时才会发生。 形式为 `insert(x)` 的调用，如果 `x` 可以同等转换为 `value_type&&` 和 `init_type&&`，则不会产生歧义，并且会选择 `init_type` 重载。 352/7190 · 719 Needs editing
196 :864
	English ```c++ iterator insert(const_iterator hint, const value_type& obj); iterator insert(const_iterator hint, const init_type& obj); ``` Inserts `obj` in the container if and only if there is no element in the container with an equivalent key.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — ```c++ iterator insert(const_iterator hint, const value_type& obj); iterator insert(const_iterator hint, const init_type& obj); ``` 当且仅当容器中没有具有等价键的元素时，才将 `obj` 插入容器。 173/2380 · 238 Needs editing
198 :873
	English Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/CopyInsertable[CopyInsertable^]. Returns:;; The `bool` component of the return type is `true` if an insert took place. + + If an insert took place, then the iterator points to the newly inserted element. Otherwise, it points to the element with equivalent key. Throws:;; If an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; Can invalidate iterators, but only if the insert causes the load to be greater than the maximum load. + + A call of the form `insert(hint, x)`, where `x` is equally convertible to both `const value_type&` and `const init_type&`, is not ambiguous and selects the `init_type` overload.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 要求：`value_type` 满足 https://en.cppreference.com/w/cpp/named_req/CopyInsertable[可拷贝插入^]。 返回：返回类型的 `bool` 分量为 `true` 表示发生了插入。 如果发生了插入，则迭代器指向新插入的元素；否则，指向具有等价键的元素。 抛出：如果除调用 `hasher` 之外的操作抛出异常，则该函数无效果。 注意：可能使迭代器失效，但仅当插入导致负载大于最大负载时才会发生。 形式为 `insert(hint, x)` 的调用，如果 `x` 可以同等转换为 `const value_type&` 和 `const init_type&`，则不会产生歧义，并且会选择 `init_type` 重载。 360/7350 · 735 Needs editing
204 :895
	English Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/MoveInsertable[MoveInsertable^]. Returns:;; The `bool` component of the return type is `true` if an insert took place. + + If an insert took place, then the iterator points to the newly inserted element. Otherwise, it points to the element with equivalent key. Throws:;; If an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; Can invalidate iterators, but only if the insert causes the load to be greater than the maximum load. + + A call of the form `insert(hint, x)`, where `x` is equally convertible to both `value_type&&` and `init_type&&`, is not ambiguous and selects the `init_type` overload.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 要求：`value_type` 满足 https://en.cppreference.com/w/cpp/named_req/MoveInsertable[可移动插入^]。 返回：返回类型的 `bool` 分量为 `true` 表示发生了插入。 如果发生了插入，则迭代器指向新插入的元素；否则，指向具有等价键的元素。 抛出：如果除调用 `hasher` 之外的操作抛出异常，则该函数无效果。 注意：可能使迭代器失效，但仅当插入导致负载大于最大负载时才会发生。 形式为 `insert(hint, x)` 的调用，如果 `x` 可以同等转换为 `value_type&&` 和 `init_type&&`，则不会产生歧义，并且会选择 `init_type` 重载。 358/7250 · 725 Needs editing
209 :914
	English Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/EmplaceConstructible[EmplaceConstructible^] into the container from `*first`. Throws:;; When inserting a single element, if an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; Can invalidate iterators, but only if the insert causes the load to be greater than the maximum load.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 要求：`value_type` 可以从 `*first` 出发在容器中进行 https://en.cppreference.com/w/cpp/named_req/EmplaceConstructible[可原位构造^]。 抛出：当插入单个元素时，如果除调用 `hasher` 之外的操作抛出异常，则该函数无效果。 注意：可能使迭代器失效，但仅当插入导致负载大于最大负载时才会发生。 195/4030 · 403 Needs editing
214 :928
	English Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/CopyInsertable[CopyInsertable^] into the container. Throws:;; When inserting a single element, if an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; Can invalidate iterators, but only if the insert causes the load to be greater than the maximum load.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 要求：`value_type` 可以在容器中进行 https://en.cppreference.com/w/cpp/named_req/CopyInsertable[可拷贝插入^]。 抛出：当插入单个元素时，如果除调用 `hasher` 之外的操作抛出异常，则该函数无效果。 注意：可能使迭代器失效，但仅当插入导致负载大于最大负载时才会发生。 176/3770 · 377 Needs editing
229 :963
	English Returns:;; The iterator returned is `end()` if `nh` is empty. If insertion took place, then the iterator points to the newly inserted element; otherwise, it points to the element with equivalent key. Throws:;; If an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; Behavior is undefined if `nh` is not empty and the allocators of `nh` and the container are not equal.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 返回：如果 `nh` 为空，则返回的迭代器为 `end()`。如果插入发生，则迭代器指向新插入的元素；否则，指向具有等价键的元素。 抛出：如果除调用 `hasher` 之外的操作抛出异常，则该函数无效果。 注意：如果 `nh` 非空且 `nh` 与容器的分配器不相等，则行为未定义。 145/4210 · 421 Needs editing
232 :971
	English ```c++ template<class... Args> std::pair<iterator, bool> try_emplace(const key_type& k, Args&&... args); template<class... Args> std::pair<iterator, bool> try_emplace(key_type&& k, Args&&... args); template<class K, class... Args> std::pair<iterator, bool> try_emplace(K&& k, Args&&... args); ```
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — ```c++ template<class... args=""> std::pair<iterator, bool=""> try_emplace(const key_type&amp; k, Args&amp;&amp;... args); template<class... args=""> std::pair<iterator, bool=""> try_emplace(key_type&amp;&amp; k, Args&amp;&amp;... args); template<class k,="" class...="" args=""> std::pair<iterator, bool=""> try_emplace(K&amp;&amp; k, Args&amp;&amp;... args); ```</iterator,></class></iterator,></class...></iterator,></class...> 430/2960 · 296 Needs editing
235 :985
	English Returns:;; The `bool` component of the return type is `true` if an insert took place. + + If an insert took place, then the iterator points to the newly inserted element. Otherwise, it points to the element with equivalent key. Throws:;; If an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; This function is similiar to xref:#unordered_node_map_emplace[emplace], with the difference that no `value_type` is constructed if there is an element with an equivalent key; otherwise, the construction is of the form: + + -- ```c++
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 返回：返回类型的 `bool` 分量为 `true` 表示发生了插入。 如果发生了插入，则迭代器指向新插入的元素；否则，指向具有等价键的元素。 抛出：如果除调用 `hasher` 之外的操作抛出异常，则该函数无效果。 注意：此函数类似于 xref:#unordered_node_map_emplace[emplace]，区别在于如果存在具有等价键的元素，则不构造 `value_type`；否则，构造形式为： ```c++ 221/5790 · 579 Needs editing
:995 :995
	English value_type(std::piecewise_construct, std::forward_as_tuple(std::forward<Key>(k)), std::forward_as_tuple(std::forward<Args>(args)...))
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — ```c++ value_type(std::piecewise_construct, std::forward_as_tuple(std::forward<key>(k)), std::forward_as_tuple(std::forward<args>(args)...)) ```</args></key> 177/1330 · 133 Needs editing
248 :1032
	English Returns:;; If an insert took place, then the iterator points to the newly inserted element. Otherwise, it points to the element with equivalent key. Throws:;; If an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; This function is similiar to xref:#unordered_node_map_emplace_hint[emplace_hint], with the difference that no `value_type` is constructed if there is an element with an equivalent key; otherwise, the construction is of the form: + + -- ```c++
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 返回：如果发生了插入，则迭代器指向新插入的元素；否则，指向具有等价键的元素。 抛出：如果除调用 `hasher` 之外的操作抛出异常，则该函数无效果。 注意：此函数类似于 xref:#unordered_node_map_emplace_hint[emplace_hint]，区别在于如果存在具有等价键的元素，则不构造 `value_type`；否则，构造形式为： ```c++ 196/5100 · 510 Needs editing
257 :1061
	English ```c++ template<class M> std::pair<iterator, bool> insert_or_assign(const key_type& k, M&& obj); template<class M> std::pair<iterator, bool> insert_or_assign(key_type&& k, M&& obj); template<class K, class M> std::pair<iterator, bool> insert_or_assign(K&& k, M&& obj); ```
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — ```c++ template<class m=""> std::pair<iterator, bool=""> insert_or_assign(const key_type&amp; k, M&amp;&amp; obj); template<class m=""> std::pair<iterator, bool=""> insert_or_assign(key_type&amp;&amp; k, M&amp;&amp; obj); template<class k,="" class="" m=""> std::pair<iterator, bool=""> insert_or_assign(K&amp;&amp; k, M&amp;&amp; obj); ```</iterator,></class></iterator,></class></iterator,></class> 400/2720 · 272 Needs editing
:1074 :1074
	English If there is no such element, it is added to the container as: ```c++
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 如果不存在这样的元素，则将其添加到容器中，形式为： ```c++ 34/680 · 68 Needs editing
263 :1088
	English Returns:;; The `bool` component of the return type is `true` if an insert took place. + + If an insert took place, then the iterator points to the newly inserted element. Otherwise, it points to the element with equivalent key. Throws:;; If an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; Can invalidate iterators, but only if the insert causes the load to be greater than the maximum load. + + The `template<class K, class M>` only participates in overload resolution if `Hash::is_transparent` and `Pred::is_transparent` are valid member typedefs. The library assumes that `Hash` is callable with both `K` and `Key` and that `Pred` is transparent. This enables heterogeneous lookup which avoids the cost of instantiating an instance of the `Key` type.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 返回：返回类型的 `bool` 分量为 `true` 表示发生了插入。 如果发生了插入，则迭代器指向新插入的元素；否则，指向具有等价键的元素。 抛出：如果除调用 `hasher` 之外的操作抛出异常，则该函数无效果。 注意：可能使迭代器失效，但仅当插入导致负载大于最大负载时才会发生。 `template<class k,="" class="" m="">` 仅在 `Hash::is_transparent` 和 `Pred::is_transparent` 是有效的成员 typedef 时参与重载决议。库假定 `Hash` 可同时使用 `K` 和 `Key` 调用，且 `Pred` 是透明的。这支持了异构查找，从而避免了实例化 `Key` 类型对象的开销。</class> 350/8110 · 811 Needs editing
:1112 :1112
	English If there is no such element, it is added to the container as: ```c++
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 如果不存在这样的元素，则将其添加到容器中，形式为： ```c++ 34/680 · 68 Needs editing
273 :1128
	English Returns:;; If an insert took place, then the iterator points to the newly inserted element. Otherwise, it points to the element with equivalent key. Throws:;; If an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; Can invalidate iterators, but only if the insert causes the load to be greater than the maximum load. + + The `template<class K, class M>` only participates in overload resolution if `Hash::is_transparent` and `Pred::is_transparent` are valid member typedefs. The library assumes that `Hash` is callable with both `K` and `Key` and that `Pred` is transparent. This enables heterogeneous lookup which avoids the cost of instantiating an instance of the `Key` type.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 返回：如果发生了插入，则迭代器指向新插入的元素；否则，指向具有等价键的元素。 抛出：如果除调用 `hasher` 之外的操作抛出异常，则该函数无效果。 注意：可能使迭代器失效，但仅当插入导致负载大于最大负载时才会发生。 `template<class k,="" class="" m="">` 仅在 `Hash::is_transparent` 和 `Pred::is_transparent` 是有效的成员 typedef 时参与重载决议。库假定 `Hash` 可同时使用 `K` 和 `Key` 调用，且 `Pred` 是透明的。这支持了异构查找，从而避免了实例化 `Key` 类型对象的开销。</class> 315/7310 · 731 Needs editing