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

255 :1057
	English Requires:;; `value_type` is constructible from `args`. Returns:;; `true` if an insert took place. Concurrency:;; Blocking on rehashing of `*this`. Notes:;; The interface is exposition only, as C++ does not allow to declare a parameter `f` after a variadic parameter pack.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 要求：;; `value_type` 可由 `args` 构造。 返回值：;; 若成功插入元素则返回 `true`。 并发特性：;; 会阻塞当前对象 `*this` 的扩容重哈希操作。 注意：;; 该接口仅为说明性用法，因为 C++ 不允许在可变参数包之后声明参数 `f`。 137/2710 · 271 Needs editing
:1074 :1074
	English Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/CopyInsertable[CopyInsertable^]. Returns:;; `true` if an insert took place. + Concurrency:;; Blocking on rehashing of `*this`.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 要求：;; `value_type` 支持拷贝插入。 返回值：;; 若成功插入元素则返回 `true`。 并发特性：;; 会阻塞当前对象 `*this` 的扩容重哈希操作。 86/1980 · 198 Needs editing
:1090 :1090
	English Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/MoveInsertable[MoveInsertable^]. Returns:;; `true` if an insert took place. + Concurrency:;; Blocking on rehashing of `*this`.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 要求：;; `value_type` 支持移动插入。 返回值：;; 若成功插入元素则返回 `true`。 并发特性：;; 会阻塞当前对象 `*this` 的扩容重哈希操作。 86/1980 · 198 Needs editing
:1106 :1106
	English Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/EmplaceConstructible[EmplaceConstructible^] from `k`. Returns:;; `true` if an insert took place. Concurrency:;; Blocking on rehashing of `*this`. Notes:;; These overloads only participate 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 … 「 」 『 』 ﹙-﹚ ‐ – — 要求：;; `value_type` 可从 `k` 原位构造。 返回值：;; 若成功插入元素则返回 `true`。 并发特性：;; 会阻塞当前对象 `*this` 的扩容重哈希操作。 注意：;; 仅当 `Hash::is_transparent` 和 `Pred::is_transparent` 为合法成员别名时，该重载版本参与重载决议。库假定 `Hash` 可同时接收 `K` 与 `Key` 类型调用，且 `Pred` 是透明的。这支持异构查找，避免了实例化 `Key` 类型对象的开销。 247/5660 · 566 Needs editing
294 :1183
	English Requires:;; `value_type` is constructible from `args`. Returns:;; `true` if an insert took place. Concurrency:;; Blocking on rehashing of `*this`. Notes:;; The interface is exposition only, as C++ does not allow to declare parameters `f1` and `f2` after a variadic parameter pack.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 要求：;; `value_type` 可由 `args` 构造。 返回值：;; 若成功插入元素则返回 `true`。 并发特性：;; 会阻塞当前对象的重哈希操作。 注意：;; 该接口仅为说明性用法，因为 C++ 不允许在可变参数包之后声明 `f1` 和 `f2` 参数。 135/2800 · 280 Needs editing
:1201 :1201
	English Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/CopyInsertable[CopyInsertable^]. Returns:;; `true` if an insert took place. + Concurrency:;; Blocking on rehashing of `*this`.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 要求：`value_type` 支持拷贝插入。 返回值：若成功插入元素则返回 `true`。 并发特性：会阻塞当前对象的重哈希操作。 66/1980 · 198 Needs editing
303 :1213
	English Inserts `obj` in the table if and only if there is no element in the table with an equivalent key, and then invokes `f1` with a const reference to the newly created element. Otherwise, invokes `f2` with a const reference to the equivalent element.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 当且仅当哈希表中不存在键等价的元素时，将 `obj` 插入表中，随后以新建元素的常量引用为参数调用函数 `f1`；否则，以该等价元素的常量引用为参数调用函数 `f2`。 要求：`value_type` 支持拷贝插入。 返回值：若成功插入元素则返回 `true`。 并发特性：会阻塞当前对象的重哈希操作。 151/2470 · 247 Needs editing
:1218 :1218
	English Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/MoveInsertable[MoveInsertable^]. Returns:;; `true` if an insert took place. + Concurrency:;; Blocking on rehashing of `*this`.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 要求：;; `value_type` 满足 https://en.cppreference.com/w/cpp/named_req/MoveInsertable[MoveInsertable^]。 返回值：;; 插入成功则返回 `true`。 并发特性：;; 会阻塞 `*this` 的重哈希操作。 149/1980 · 198 Needs editing
:1235 :1235
	English Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/EmplaceConstructible[EmplaceConstructible^] from `k`. Returns:;; `true` if an insert took place. Concurrency:;; Blocking on rehashing of `*this`. Notes:;; These overloads only participate 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 … 「 」 『 』 ﹙-﹚ ‐ – — 要求：;; `value_type` 可基于 `k` 满足 https://en.cppreference.com/w/cpp/named_req/EmplaceConstructible[EmplaceConstructible^]。 返回值：;; 插入成功则返回 `true`。 并发特性：;; 会阻塞 `*this` 的重哈希操作。 注意：;; 仅当 `Hash::is_transparent` 与 `Pred::is_transparent` 为合法成员类型别名时，此类重载函数才参与重载决议。本库假定 `Hash` 可接收 `K` 与 `Key` 两种类型进行调用，且 `Pred` 具备透明特性。该特性支持异构查找，省去了实例化 `Key` 类型对象的开销。 336/5660 · 566 Needs editing
333 :1313
	English Returns:;; The number of elements erased (0 or 1). Throws:;; Only throws an exception if it is thrown by `hasher` or `key_equal`. Notes:;; The `template<class K>` overload 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 … 「 」 『 』 ﹙-﹚ ‐ – — 返回值：;; 删除的元素数量（0 或 1）。 异常：;; 仅当 `hasher` 或 `key_equal` 抛出异常时才会抛出异常。 注意：;; 仅当 `Hash::is_transparent` 和 `Pred::is_transparent` 为合法成员类型别名时，`template<class k="">` 重载才参与重载决议。标准库假定 `Hash` 可同时接收 `K` 与 `Key` 类型参数调用，且 `Pred` 是透明的。该机制支持异构查找，避免了实例化 `Key` 类型对象的开销。</class> 260/4960 · 496 Needs editing
338 :1328
	English Returns:;; The number of elements erased (0 or 1). Throws:;; Only throws an exception if it is thrown by `hasher`, `key_equal` or `f`. Notes:;; The `template<class K, class F>` overload only participates in overload resolution if `std::is_execution_policy_v<std::remove_cvref_t<ExecutionPolicy>>` is `false`. + + The `template<class K, class F>` overload 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 … 「 」 『 』 ﹙-﹚ ‐ – — 返回值：;; 删除的元素数量（0 或 1）。 异常：;; 仅当 `hasher`、`key_equal` 或 `f` 抛出异常时才会抛出异常。 注意：;; 仅当 `std::is_execution_policy_v<std::remove_cvref_t<executionpolicy>&gt;` 为 `false` 时，`template<class k,="" class="" f="">` 重载才参与重载决议。 注意：;; 仅当 `Hash::is_transparent` 和 `Pred::is_transparent` 为合法成员类型别名时，`template<class k,="" class="" f="">` 重载才参与重载决议。标准库假定 `Hash` 可同时接收 `K` 与 `Key` 类型参数调用，且 `Pred` 是透明的。该机制支持异构查找，避免了实例化 `Key` 类型对象的开销。</class></class></std::remove_cvref_t<executionpolicy> 465/6790 · 679 Needs editing
343 :1344
	English Returns:;; The number of elements erased. Throws:;; Only throws an exception if it is thrown by `f`.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 返回值：;; 删除的元素数量。 异常：;; 仅当 `f` 抛出异常时才会抛出异常。 41/1000 · 100 Needs editing
348 :1358
	English Throws:;; Depending on the exception handling mechanism of the execution policy used, may call `std::terminate` if an exception is thrown within `f`. Notes:;; Only available in compilers supporting C++17 parallel algorithms. + + This overload only participates in overload resolution if `std::is_execution_policy_v<std::remove_cvref_t<ExecutionPolicy>>` is `true`. + + Unsequenced execution policies are not allowed.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 异常：;; 依据所使用执行策略的异常处理机制，若 `f` 内部抛出异常，则可能调用 `std::terminate`。 注意：;; 仅在支持 C++17 并行算法的编译器中可用。 注意：;; 仅当 `std::is_execution_policy_v<std::remove_cvref_t<executionpolicy>&gt;` 为 `true` 时，该重载才参与重载决议。 注意：;; 不允许使用无序执行策略。</std::remove_cvref_t<executionpolicy> 248/4160 · 416 Needs editing
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	English Throws:;; Nothing unless `key_equal` or `hasher` throw on swapping. Concurrency:;; Blocking on `*this` and `other`.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 异常：;; 除非 `key_equal` 或 `hasher` 在交换时抛出异常，否则不抛出任何异常。 并发：;; 阻塞 `*this` 和 `other`。 79/1150 · 115 Needs editing
359 :1393
	English Returns:;; A `node_type` object holding the extracted element, or empty if no element was extracted. Throws:;; Only throws an exception if it is thrown by `hasher` or `key_equal`. Notes:;; The `template<class K>` overload 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 … 「 」 『 』 ﹙-﹚ ‐ – — 返回值：;; 存储提取元素的 `node_type` 对象，若未提取任何元素则为空。 异常：;; 仅当 `hasher` 或 `key_equal` 抛出异常时才会抛出异常。 注意：;; 仅当 `Hash::is_transparent` 和 `Pred::is_transparent` 为合法成员类型别名时，`template<class k="">` 重载才参与重载决议。标准库假定 `Hash` 可同时接收 `K` 与 `Key` 类型参数调用，且 `Pred` 是透明的。该机制支持异构查找，避免了实例化 `Key` 类型对象的开销。</class> 280/5460 · 546 Needs editing
364 :1408
	English Returns:;; A `node_type` object holding the extracted element, or empty if no element was extracted. Throws:;; Only throws an exception if it is thrown by `hasher` or `key_equal` or `f`. Notes:;; The `template<class K>` overload 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 … 「 」 『 』 ﹙-﹚ ‐ – — 返回值：;; 存储被提取元素的 `node_type` 对象，若未提取任何元素则为空。 异常：;; 仅当 `hasher`、`key_equal` 或 `f` 抛出异常时才会抛出异常。 注意：;; 仅当 `Hash::is_transparent` 和 `Pred::is_transparent` 为合法成员类型别名时，`template<class k="">` 重载才参与重载决议。标准库假定 `Hash` 可同时接收 `K` 与 `Key` 类型参数调用，且 `Pred` 是透明的。该机制支持异构查找，避免了实例化 `Key` 类型对象的开销。</class> 285/5530 · 553 Needs editing
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	English Postconditions:;; `size() == 0`, `max_load() >= max_load_factor() * bucket_count()` Concurrency:;; Blocking on `*this`.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 后置条件：;; `size() == 0`，`max_load() &gt;= max_load_factor() * bucket_count()` 并发：;; 阻塞 `*this`。 93/1190 · 119 Needs editing
374 :1438
	English Returns:;; The number of elements inserted. Concurrency:;; Blocking on `*this` and `source`.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 返回值：;; 插入的元素数量。 并发：;; 阻塞 `*this` 和 `source`。 44/920 · 92 Needs editing
392 :1485
	English Returns:;; The number of elements with key equivalent to `k` (0 or 1). Notes:;; The `template<class K>` overload 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. + + In the presence of concurrent insertion operations, the value returned may not accurately reflect the true state of the table right after execution.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 返回值：;; 键与 `k` 等价的元素数量（0 或 1）。 注意：;; 仅当 `Hash::is_transparent` 和 `Pred::is_transparent` 为合法成员类型别名时，`template<class k="">` 重载才参与重载决议。标准库假定 `Hash` 可同时接收 `K` 与 `Key` 类型参数调用，且 `Pred` 是透明的。该机制支持异构查找，避免了实例化 `Key` 类型对象的开销。 注意：;; 若存在并发插入操作，返回值可能无法精确反映执行后表的真实状态。</class> 260/5900 · 590 Needs editing
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	English Returns:;; A boolean indicating whether or not there is an element with key equal to `k` in the table. Notes:;; The `template<class K>` overload 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. + + In the presence of concurrent insertion operations, the value returned may not accurately reflect the true state of the table right after execution.
	Chinese (Simplified Han script) ↹ ↵ NBS … 「 」 『 』 ﹙-﹚ ‐ – — 返回值：;; 布尔值，表示表中是否存在键等于 `k` 的元素。 注意：;; 仅当 `Hash::is_transparent` 和 `Pred::is_transparent` 为合法成员类型别名时，`template<class k="">` 重载才参与重载决议。标准库假定 `Hash` 可同时接收 `K` 与 `Key` 类型参数调用，且 `Pred` 是透明的。该机制支持异构查找，避免了实例化 `Key` 类型对象的开销。 注意：;; 若存在并发插入操作，返回值可能无法精确反映执行后表的真实状态。</class> 262/6230 · 623 Needs editing