Zen

Translation

:793
English
`hint` is a suggestion to where the element should be inserted. This implementation ignores it.
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Key English Chinese (Simplified Han script) Actions
:739
Inserts `obj` in the container if and only if there is no element in the container with an equivalent key.
当且仅当容器中不存在具有等价键的元素时，才将 `obj` 插入容器中。
:742
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, pointers and references, but only if the insert causes the load to be greater than the maximum load.
要求：;; `value_type` 必须是 https://en.cppreference.com/w/cpp/named_req/CopyInsertable[CopyInsertable^]。
返回：;; 如果进行了插入，则返回类型的 `bool` 分量为 `true`。
如果进行了插入，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。
备注：;; 可能会使迭代器、指针和引用失效，但仅当插入导致负载大于最大负载时才会发生。
:749
---
---
Move Insert
移动插入
```c++ std::pair<iterator, bool> insert(value_type&& obj); ```
```c++ std::pair<iterator, bool=""> insert(value_type&amp;&amp; obj); ```</iterator,>
:756
Inserts `obj` in the container if and only if there is no element in the container with an equivalent key.
当且仅当容器中不存在具有等价键的元素时，才将 `obj` 插入容器中。
:759
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, pointers and references, but only if the insert causes the load to be greater than the maximum load.
要求：;; `value_type` 必须是 https://en.cppreference.com/w/cpp/named_req/MoveInsertable[MoveInsertable^]。
返回：;; 如果进行了插入，则返回类型的 `bool` 分量为 `true`。
如果进行了插入，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。
备注：;; 可能会使迭代器、指针和引用失效，但仅当插入导致负载大于最大负载时才会发生。
:766
---
---
Transparent Insert
透明插入
```c++ template<class K> std::pair<iterator, bool> insert(K&& k); ```
```c++ template<class k=""> std::pair<iterator, bool=""> insert(K&amp;&amp; k); ```</iterator,></class>
:773
Inserts an element constructed from `std::forward<K>(k)` in the container if and only if there is no element in the container with an equivalent key.
当且仅当容器中不存在具有等价键的元素时，才插入一个从 `std::forward<k>(k)` 构造的元素。</k>
:776
Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/EmplaceConstructible[EmplaceConstructible^] from `k`. 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, pointers and references, but only if the insert causes the load to be greater than the maximum load. + + This overload only participates in overload resolution if `Hash::is_transparent` and `Pred::is_transparent` are valid member typedefs and neither `iterator` nor `const_iterator` are implicitly convertible from `K`. 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.
要求：;; `value_type` 可以从 `k` 进行 https://en.cppreference.com/w/cpp/named_req/EmplaceConstructible[EmplaceConstructible^]。
返回：;; 如果进行了插入，则返回类型的 bool 分量为 true。
如果进行了插入，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。
备注：;; 可能会使迭代器、指针和引用失效，但仅当插入导致负载大于最大负载时才会发生。
此外，仅当 `Hash::is_transparent` 和 `Pred::is_transparent` 是有效的成员 typedef，并且 `K` 不能隐式转换为 `iterator` 或 `const_iterator` 时，此重载才会参与重载决议。库假定 `Hash` 可同时以 `K` 和 `Key` 类型调用，且 `Pred` 是透明的。这支持了异构查找，从而避免了实例化 `Key` 类型的开销。
:785
---
---
Copy Insert with Hint
带提示的复制插入
```c++ iterator insert(const_iterator hint, const value_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&amp; obj);
```当且仅当容器中不存在具有等价键的元素时，才将 `obj` 插入容器中。
:793
`hint` is a suggestion to where the element should be inserted. This implementation ignores it.
`hint` 是关于元素应该插入位置的一个提示。此实现会忽略它。
:796
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, pointers and references, but only if the insert causes the load to be greater than the maximum load.
要求：;; `value_type` 必须是 https://en.cppreference.com/w/cpp/named_req/CopyInsertable[CopyInsertable^]。
返回：;; 如果进行了插入，则返回类型的 `bool` 分量为 `true`。
如果进行了插入，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。
备注：;; 可能会使迭代器、指针和引用失效，但仅当插入导致负载大于最大负载时才会发生。
:803
---
---
Move Insert with Hint
带提示的移动插入
```c++ iterator insert(const_iterator hint, value_type&& obj); ```
```c++ iterator insert(const_iterator hint, value_type&amp;&amp; obj); ```
:810
Inserts `obj` in the container if and only if there is no element in the container with an equivalent key.
当且仅当容器中不存在具有等价键的元素时，才将 `obj` 插入容器中。
:812
`hint` is a suggestion to where the element should be inserted. This implementation ignores it.
`hint` 是关于元素应该插入位置的一个提示。此实现会忽略它。
:815
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, pointers and references, but only if the insert causes the load to be greater than the maximum load.
要求：;; `value_type` 必须是 https://en.cppreference.com/w/cpp/named_req/MoveInsertable[MoveInsertable^]。
返回：;; 如果进行了插入，则返回类型的 `bool` 分量为 `true`。
如果进行了插入，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。
备注：;; 可能会使迭代器、指针和引用失效，但仅当插入导致负载大于最大负载时才会发生。
:822
---
---
Transparent Insert with Hint
带提示的透明插入
```c++ template<class K> std::pair<iterator, bool> insert(const_iterator hint, K&& k); ```
```c++ template<class k=""> std::pair<iterator, bool=""> insert(const_iterator hint, K&amp;&amp; k); ```</iterator,></class>
:829
Inserts an element constructed from `std::forward<K>(k)` in the container if and only if there is no element in the container with an equivalent key.
当且仅当容器中不存在具有等价键的元素时，才插入一个从 `std::forward<k>(k)` 构造的元素。</k>
:831
`hint` is a suggestion to where the element should be inserted. This implementation ignores it.
`hint` 是关于元素应该插入位置的一个提示。此实现会忽略它。
:834
Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/EmplaceConstructible[EmplaceConstructible^] from `k`. 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, pointers and references, but only if the insert causes the load to be greater than the maximum load. + + This overload only participates in overload resolution if `Hash::is_transparent` and `Pred::is_transparent` are valid member typedefs and neither `iterator` nor `const_iterator` are implicitly convertible from `K`. 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.
要求：;; `value_type` 可以从 `k` 进行 https://en.cppreference.com/w/cpp/named_req/EmplaceConstructible[EmplaceConstructible^]。返回：;; 如果进行了插入，则返回类型的 bool 分量为 true。如果进行了插入，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。备注：;; 可能会使迭代器、指针和引用失效，但仅当插入导致负载大于最大负载时才会发生。此重载仅当 `Hash::is_transparent` 和 `Pred::is_transparent` 是有效的成员 typedef，并且 `K` 不能隐式转换为 `iterator` 或 `const_iterator` 时，才会参与重载决议。库假定 `Hash` 可同时以 `K` 和 `Key` 类型调用，且 `Pred` 是透明的。这支持了异构查找，从而避免了实例化 `Key` 类型的开销。
:843
---
---
Insert Iterator Range
迭代器范围插入
Key English Chinese (Simplified Han script) Actions
:703
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.
当且仅当容器中不存在具有等价键的元素时，才插入一个使用参数 `args` 构造的对象。
:706
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, pointers and references, but only if the insert causes the load to be greater than the maximum load. +
要求：;; `value_type` 可以从 `args` 构造。
返回：;; 如果进行了插入，则返回类型的 `bool` 分量为 `true`。
如果进行了插入，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。
备注：;; 可能会使迭代器、指针和引用失效，但仅当插入导致负载因子大于最大负载因子时才会发生。
:713
---
---
:720
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.
当且仅当容器中不存在具有等价键的元素时，才插入一个使用参数 `args` 构造的对象。
:725
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, pointers and references, but only if the insert causes the load to be greater than the maximum load. +
要求：;; `value_type` 可以从 `args` 构造。
返回：;; 如果进行了插入，则返回类型的 `bool` 分量为 `true`。
如果进行了插入，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。
备注：;; 可能会使迭代器、指针和引用失效，但仅当插入导致负载大于最大负载时才会发生。
:732
---
---
:739
Inserts `obj` in the container if and only if there is no element in the container with an equivalent key.
当且仅当容器中不存在具有等价键的元素时，才将 `obj` 插入容器中。
:742
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, pointers and references, but only if the insert causes the load to be greater than the maximum load.
要求：;; `value_type` 必须是 https://en.cppreference.com/w/cpp/named_req/CopyInsertable[CopyInsertable^]。
返回：;; 如果进行了插入，则返回类型的 `bool` 分量为 `true`。
如果进行了插入，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。
备注：;; 可能会使迭代器、指针和引用失效，但仅当插入导致负载大于最大负载时才会发生。
:749
---
---
:756
Inserts `obj` in the container if and only if there is no element in the container with an equivalent key.
当且仅当容器中不存在具有等价键的元素时，才将 `obj` 插入容器中。
:759
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, pointers and references, but only if the insert causes the load to be greater than the maximum load.
要求：;; `value_type` 必须是 https://en.cppreference.com/w/cpp/named_req/MoveInsertable[MoveInsertable^]。
返回：;; 如果进行了插入，则返回类型的 `bool` 分量为 `true`。
如果进行了插入，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。
备注：;; 可能会使迭代器、指针和引用失效，但仅当插入导致负载大于最大负载时才会发生。
:766
---
---
:773
Inserts an element constructed from `std::forward<K>(k)` in the container if and only if there is no element in the container with an equivalent key.
当且仅当容器中不存在具有等价键的元素时，才插入一个从 `std::forward<k>(k)` 构造的元素。</k>
:776
Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/EmplaceConstructible[EmplaceConstructible^] from `k`. 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, pointers and references, but only if the insert causes the load to be greater than the maximum load. + + This overload only participates in overload resolution if `Hash::is_transparent` and `Pred::is_transparent` are valid member typedefs and neither `iterator` nor `const_iterator` are implicitly convertible from `K`. 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.
要求：;; `value_type` 可以从 `k` 进行 https://en.cppreference.com/w/cpp/named_req/EmplaceConstructible[EmplaceConstructible^]。
返回：;; 如果进行了插入，则返回类型的 bool 分量为 true。
如果进行了插入，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。
备注：;; 可能会使迭代器、指针和引用失效，但仅当插入导致负载大于最大负载时才会发生。
此外，仅当 `Hash::is_transparent` 和 `Pred::is_transparent` 是有效的成员 typedef，并且 `K` 不能隐式转换为 `iterator` 或 `const_iterator` 时，此重载才会参与重载决议。库假定 `Hash` 可同时以 `K` 和 `Key` 类型调用，且 `Pred` 是透明的。这支持了异构查找，从而避免了实例化 `Key` 类型的开销。
:785
---
---
:793
`hint` is a suggestion to where the element should be inserted. This implementation ignores it.
`hint` 是关于元素应该插入位置的一个提示。此实现会忽略它。
:796
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, pointers and references, but only if the insert causes the load to be greater than the maximum load.
要求：;; `value_type` 必须是 https://en.cppreference.com/w/cpp/named_req/CopyInsertable[CopyInsertable^]。
返回：;; 如果进行了插入，则返回类型的 `bool` 分量为 `true`。
如果进行了插入，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。
备注：;; 可能会使迭代器、指针和引用失效，但仅当插入导致负载大于最大负载时才会发生。
:803
---
---
:810
Inserts `obj` in the container if and only if there is no element in the container with an equivalent key.
当且仅当容器中不存在具有等价键的元素时，才将 `obj` 插入容器中。
:812
`hint` is a suggestion to where the element should be inserted. This implementation ignores it.
`hint` 是关于元素应该插入位置的一个提示。此实现会忽略它。
:815
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, pointers and references, but only if the insert causes the load to be greater than the maximum load.
要求：;; `value_type` 必须是 https://en.cppreference.com/w/cpp/named_req/MoveInsertable[MoveInsertable^]。
返回：;; 如果进行了插入，则返回类型的 `bool` 分量为 `true`。
如果进行了插入，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。
备注：;; 可能会使迭代器、指针和引用失效，但仅当插入导致负载大于最大负载时才会发生。
:822
---
---
:829
Inserts an element constructed from `std::forward<K>(k)` in the container if and only if there is no element in the container with an equivalent key.
当且仅当容器中不存在具有等价键的元素时，才插入一个从 `std::forward<k>(k)` 构造的元素。</k>
:831
`hint` is a suggestion to where the element should be inserted. This implementation ignores it.
`hint` 是关于元素应该插入位置的一个提示。此实现会忽略它。
:834
Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/EmplaceConstructible[EmplaceConstructible^] from `k`. 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, pointers and references, but only if the insert causes the load to be greater than the maximum load. + + This overload only participates in overload resolution if `Hash::is_transparent` and `Pred::is_transparent` are valid member typedefs and neither `iterator` nor `const_iterator` are implicitly convertible from `K`. 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.
要求：;; `value_type` 可以从 `k` 进行 https://en.cppreference.com/w/cpp/named_req/EmplaceConstructible[EmplaceConstructible^]。返回：;; 如果进行了插入，则返回类型的 bool 分量为 true。如果进行了插入，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。备注：;; 可能会使迭代器、指针和引用失效，但仅当插入导致负载大于最大负载时才会发生。此重载仅当 `Hash::is_transparent` 和 `Pred::is_transparent` 是有效的成员 typedef，并且 `K` 不能隐式转换为 `iterator` 或 `const_iterator` 时，才会参与重载决议。库假定 `Hash` 可同时以 `K` 和 `Key` 类型调用，且 `Pred` 是透明的。这支持了异构查找，从而避免了实例化 `Key` 类型的开销。
:843
---
---
:850
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.
将一系列元素插入容器中。当且仅当容器中不存在具有等价键的元素时，才插入该元素。
:857
---
---
:864
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.
将一系列元素插入容器中。当且仅当容器中不存在具有等价键的元素时，才插入该元素。
:871
---
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Translation uploaded
`hint` is a suggestion to where the element should be inserted. This implementation ignores it.
`hint` is a suggestion to where the element should be inserted. This implementation ignores it.是关于元素应该插入位置的一个提示。此实现会忽略它。
:793
06/05/2026
User avatar admin

String added in the repository
`hint` is a suggestion to where the element should be inserted. This implementation ignores it.
`hint` is a suggestion to where the element should be inserted. This implementation ignores it.
:793
06/05/2026
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Glossary

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

String information

Key
:793
Flags
safe-html, strict-same
Unit identifier
54354
Source string location
:793
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_flat_set_zh_Hans.adoc, string 197