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:911
English
Inserts a range of elements into the container. Elements are inserted if and only if there is no element in the container with an equivalent key.
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Key English Chinese (Simplified Han script) Actions
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.
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。
:861
---
---
Copy Insert with Hint
带提示的复制插入
```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.
```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。
:870
`hint` is a suggestion to where the element should be inserted. This implementation ignores it.
`hint` 是关于元素插入位置的建议。此实现会忽略该建议。
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.
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。
:882
---
---
Move Insert with Hint
带提示的移动插入
```c++ iterator insert(const_iterator hint, value_type&& obj); iterator insert(const_iterator hint, init_type&& obj); ```
```c++ iterator insert(const_iterator hint, value_type&& obj); iterator insert(const_iterator hint, init_type&& obj); ```
:890
Inserts `obj` in the container if and only if there is no element in the container with an equivalent key.
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。
:892
`hint` is a suggestion to where the element should be inserted. This implementation ignores it.
`hint` 是关于元素插入位置的建议。此实现会忽略该建议。
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.
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。
:904
---
---
Insert Iterator Range
迭代器范围插入
```c++ template<class InputIterator> void insert(InputIterator first, InputIterator last); ```
```c++ template<class inputiterator=""> void insert(InputIterator first, InputIterator last); ```</class>
:911
Inserts a range of elements into the container. Elements are inserted if and only if there is no element in the container with an equivalent key.
将一个范围内的元素插入容器中。当且仅当容器中没有具有等价键的元素时，才会插入这些元素。
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.
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。
:918
---
---
Insert Initializer List
初始化列表插入
```c++ void insert(std::initializer_list<value_type>); ```
```c++ void insert(std::initializer_list<value_type>); ```</value_type>
:925
Inserts a range of elements into the container. Elements are inserted if and only if there is no element in the container with an equivalent key.
将一个范围内的元素插入容器中。当且仅当容器中没有具有等价键的元素时，才会插入这些元素。
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.
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。
:932
---
---
Insert Node
节点插入
```c++ insert_return_type insert(node_type&& nh); ```
```c++ insert_return_type insert(node_type&amp;&amp; nh); ```
If `nh` is not empty, inserts the associated element in the container if and only if there is no element in the container with a key equivalent to `nh.key()`. `nh` is empty when the function returns.
如果 `nh` 非空，则当且仅当容器中没有键与 `nh.key()` 等价的元素时，才将关联的元素插入容器。函数返回时 `nh` 变为空。
Returns:;; An `insert_return_type` object constructed from `position`, `inserted` and `node`: +
返回：一个 `insert_return_type` 对象，由 `position`、`inserted` 和 `node` 构造而成。
If `nh` is empty, `inserted` is `false`, `position` is `end()`, and `node` is empty.
若 `nh` 为空，则 `inserted` 为 `false` ， `position` 为 `end()` ，且 `node` 为空。
Otherwise if the insertion took place, `inserted` is true, `position` points to the inserted element, and `node` is empty.
否则，若插入操作发生，则 `inserted` 为 `true` ， `position` 指向被插入的元素，且 `node` 为空。
If the insertion failed, `inserted` is false, `node` has the previous value of `nh`, and `position` points to an element with a key equivalent to `nh.key()`.
若插入操作失败，则 `inserted` 为 `false` ， `node` 保留 `nh` 的原始值，且 `position` 指向与 `nh.key()` 等效的元素。
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.
若 `nh` 非空，则当且仅当容器中不存在键等价于 `nh.key()` 的元素时，插入其关联元素。函数返回时 `nh` 为空。
Key English Chinese (Simplified Han script) Actions
:788
Inserts an object, constructed with the arguments `args`, in the container if and only if there is no element in the container with an equivalent key.
当且仅当容器中没有具有等价键的元素时，才插入一个使用参数 `args` 构造的对象。
:791
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`.
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。
:800
---
---
:807
Inserts an object, constructed with the arguments `args`, in the container if and only if there is no element in the container with an equivalent key.
当且仅当容器中没有具有等价键的元素时，才插入一个使用参数 `args` 构造的对象。
:812
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`.
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。
:821
---
---
:829
Inserts `obj` in the container if and only if there is no element in the container with an equivalent key.
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。
:841
---
---
:849
Inserts `obj` in the container if and only if there is no element in the container with an equivalent key.
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。
:861
---
---
:870
`hint` is a suggestion to where the element should be inserted. This implementation ignores it.
`hint` 是关于元素插入位置的建议。此实现会忽略该建议。
:882
---
---
:890
Inserts `obj` in the container if and only if there is no element in the container with an equivalent key.
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。
:892
`hint` is a suggestion to where the element should be inserted. This implementation ignores it.
`hint` 是关于元素插入位置的建议。此实现会忽略该建议。
:904
---
---
:911
Inserts a range of elements into the container. Elements are inserted if and only if there is no element in the container with an equivalent key.
将一个范围内的元素插入容器中。当且仅当容器中没有具有等价键的元素时，才会插入这些元素。
:918
---
---
:925
Inserts a range of elements into the container. Elements are inserted if and only if there is no element in the container with an equivalent key.
将一个范围内的元素插入容器中。当且仅当容器中没有具有等价键的元素时，才会插入这些元素。
:932
---
---
:950
---
---
:960
`hint` is a suggestion to where the element should be inserted. This implementation ignores it.
`hint` 是关于元素插入位置的建议。此实现会忽略该建议。
:968
---
---
:980
Inserts a new element into the container if there is no existing element with key `k` contained within it.
如果容器中不存在键为 `k` 的元素，则插入一个新元素。
:982
If there is an existing element with key `k` this function does nothing.
如果已存在键为 `k` 的元素，则该函数不执行任何操作。
:995
value_type(std::piecewise_construct, std::forward_as_tuple(std::forward<Key>(k)), std::forward_as_tuple(std::forward<Args>(args)...))
```c++
value_type(std::piecewise_construct,
std::forward_as_tuple(std::forward<key>(k)),
std::forward_as_tuple(std::forward<args>(args)...))
```</args></key>

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Translation uploaded
Inserts a range of elements into the container. Elements are inserted if and only if there is no element in the container with an equivalent key.
Inserts a range of elements into the container. Elements are inserted if and only if there is no element in the container with an equivalent key.将一个范围内的元素插入容器中。当且仅当容器中没有具有等价键的元素时，才会插入这些元素。
:911
06/05/2026
User avatar admin

String added in the repository
Inserts a range of elements into the container. Elements are inserted if and only if there is no element in the container with an equivalent key.
Inserts a range of elements into the container. Elements are inserted if and only if there is no element in the container with an equivalent key.
:911
06/05/2026
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Glossary

English Chinese (Simplified Han script)
No related strings found in the glossary.

String information

Key
:911
Flags
safe-html, strict-same
Unit identifier
52961
Source string location
:911
String age
06/05/2026
Last updated
06/06/2026
Source string age
06/05/2026
Translation file AsciiDoc file
doc/modules/ROOT/pages/reference/unordered_node_map_zh_Hans.adoc, string 208