Boost Unordered Translation (zh_Hans)/Doc / Modules / Root / Pages / Reference / Concurrent Node Map (adoc) — Chinese (Simplified Han script) @ Boost-Weblate

English

Requires:;; `FwdIterator` is a https://en.cppreference.com/w/cpp/named_req/ForwardIterator[LegacyForwardIterator^] ({cpp}11 to {cpp}17), or satisfies https://en.cppreference.com/w/cpp/iterator/forward_iterator[std::forward_iterator^] ({cpp}20 and later). For `K` = `std::iterator_traits<FwdIterator>::value_type`, either `K` is `key_type` or else `Hash::is_transparent` and `Pred::is_transparent` are valid member typedefs. In the latter case, 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. Returns:;; The number of elements visited.

167 :820
	English Visitation
	Chinese (Simplified Han script) 访问操作 4/100 · 10 Needs editing
168 :822
	English [c]visit
	Chinese (Simplified Han script) [c]visit 8/100 · 8 Needs editing
169 :824
	English ```c++ template<class F> size_t visit(const key_type& k, F f); template<class F> size_t visit(const key_type& k, F f) const; template<class F> size_t cvisit(const key_type& k, F f) const; template<class K, class F> size_t visit(const K& k, F f); template<class K, class F> size_t visit(const K& k, F f) const; template<class K, class F> size_t cvisit(const K& k, F f) const; ```
	Chinese (Simplified Han script) ```c++ template<class f=""> size_t visit(const key_type& k, F f); template<class f=""> size_t visit(const key_type& k, F f) const; template<class f=""> size_t cvisit(const key_type& k, F f) const; template<class k,="" class="" f=""> size_t visit(const K& k, F f); template<class k,="" class="" f=""> size_t visit(const K& k, F f) const; template<class k,="" class="" f=""> size_t cvisit(const K& k, F f) const; ```</class></class></class></class></class></class> 486/3780 · 378 Needs editing
170 :833
	English If an element `x` exists with key equivalent to `k`, invokes `f` with a reference to `x`. Such reference is const iff `*this` is const.
	Chinese (Simplified Han script) 若存在键与 `k` 等价的元素 `x`，则以 `x` 的引用调用函数 `f`。当且仅当 `*this` 为常量时，该引用为常量引用。 66/1350 · 135 Needs editing
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	English Returns:;; The number of elements visited (0 or 1). Notes:;; The `template<class K, class F>` 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) 返回值：;; 访问的元素数量（0 或 1）。注意：;; 仅当 `Hash::is_transparent` 与 `Pred::is_transparent` 为合法成员别名时，`template<class k,="" class="" f="">` 重载版本才会参与重载决议。库假定 `Hash` 可同时以 `K` 类型与 `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。</class> 226/4270 · 427 Needs editing
:840 :840
	English ---
	Chinese (Simplified Han script) --- 3/100 · 3 Needs editing
173 :842
	English Bulk visit
	Chinese (Simplified Han script) 批量访问 4/100 · 10 Needs editing
174 :844
	English ```c++ template<class FwdIterator, class F> size_t visit(FwdIterator first, FwdIterator last, F f); template<class FwdIterator, class F> size_t visit(FwdIterator first, FwdIterator last, F f) const; template<class FwdIterator, class F> size_t cvisit(FwdIterator first, FwdIterator last, F f) const; ```
	Chinese (Simplified Han script) ```c++ template<class fwditerator,="" class="" f=""> size_t visit(FwdIterator first, FwdIterator last, F f); template<class fwditerator,="" class="" f=""> size_t visit(FwdIterator first, FwdIterator last, F f) const; template<class fwditerator,="" class="" f=""> size_t cvisit(FwdIterator first, FwdIterator last, F f) const; ```</class></class></class> 353/3020 · 302 Needs editing
175 :853
	English For each element `k` in the range [`first`, `last`), if there is an element `x` in the container with key equivalent to `k`, invokes `f` with a reference to `x`. Such reference is const iff `*this` is const.
	Chinese (Simplified Han script) 对范围 [`first`, `last`) 中的每个元素 `k`，若容器内存在键与 `k` 等价的元素 `x`，则以 `x` 的引用调用函数 `f`。当且仅当 `*this` 为常量时，该引用为常量引用。 102/2070 · 207 Needs editing
176 :858
	English Although functionally equivalent to individually invoking xref:concurrent_node_map_cvisit[`[c\]visit`] for each key, bulk visitation performs generally faster due to internal streamlining optimizations. It is advisable that `std::distance(first,last)` be at least xref:#concurrent_node_map_constants[`bulk_visit_size`] to enjoy a performance gain: beyond this size, performance is not expected to increase further.
	Chinese (Simplified Han script) 尽管功能上等同于对每个键单独调用 `[c]visit`，但得益于内部的流式优化，批量访问通常性能更高。建议当 `std::distance(first,last)` 至少达到 `bulk_visit_size` 时使用批量访问以获得性能提升；超过该大小后，性能不会进一步提升。 138/4140 · 414 Needs editing
177 :867
	English Requires:;; `FwdIterator` is a https://en.cppreference.com/w/cpp/named_req/ForwardIterator[LegacyForwardIterator^] ({cpp}11 to {cpp}17), or satisfies https://en.cppreference.com/w/cpp/iterator/forward_iterator[std::forward_iterator^] ({cpp}20 and later). For `K` = `std::iterator_traits<FwdIterator>::value_type`, either `K` is `key_type` or else `Hash::is_transparent` and `Pred::is_transparent` are valid member typedefs. In the latter case, 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. Returns:;; The number of elements visited.
	Chinese (Simplified Han script) 要求：;; `FwdIterator` 是前向迭代器（C++11 至 C++17），或满足 C++20 及之后标准的 `std::forward_iterator` 概念。对于 `K = std::iterator_traits<fwditerator>::value_type`，要么 `K` 是 `key_type`，要么 `Hash::is_transparent` 和 `Pred::is_transparent` 是合法的成员别名。在后一种情况下，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。返回值：;; 被访问的元素总数。</fwditerator> 339/6900 · 690 Needs editing
:876 :876
	English ---
	Chinese (Simplified Han script) --- 3/100 · 3 Needs editing
179 :878
	English [c]visit_all
	Chinese (Simplified Han script) [c]visit_all 12/120 · 12 Needs editing
180 :880
	English ```c++ template<class F> size_t visit_all(F f); template<class F> size_t visit_all(F f) const; template<class F> size_t cvisit_all(F f) const; ```
	Chinese (Simplified Han script) ```c++ template<class f=""> size_t visit_all(F f); template<class f=""> size_t visit_all(F f) const; template<class f=""> size_t cvisit_all(F f) const; ```</class></class></class> 179/1460 · 146 Needs editing
181 :886
	English Successively invokes `f` with references to each of the elements in the table. Such references are const iff `*this` is const.
	Chinese (Simplified Han script) 依次以表中每个元素的引用调用函数 `f`。当且仅当 `*this` 为常量时，该引用为常量引用。 48/1260 · 126 Needs editing
182 :890
	English Returns:;; The number of elements visited.
	Chinese (Simplified Han script) 返回值：;; 被访问的元素数量。 16/420 · 42 Needs editing
:892 :892
	English ---
	Chinese (Simplified Han script) --- 3/100 · 3 Needs editing
184 :894
	English Parallel [c]visit_all
	Chinese (Simplified Han script) 并行 ++[++c++]++visit++_++all 27/210 · 21 Needs editing
185 :896
	English ```c++ template<class ExecutionPolicy, class F> void visit_all(ExecutionPolicy&& policy, F f); template<class ExecutionPolicy, class F> void visit_all(ExecutionPolicy&& policy, F f) const; template<class ExecutionPolicy, class F> void cvisit_all(ExecutionPolicy&& policy, F f) const; ```
	Chinese (Simplified Han script) ```c++ template<class executionpolicy,="" class="" f=""> void visit_all(ExecutionPolicy&& policy, F f); template<class executionpolicy,="" class="" f=""> void visit_all(ExecutionPolicy&& policy, F f) const; template<class executionpolicy,="" class="" f=""> void cvisit_all(ExecutionPolicy&& policy, F f) const; ```</class></class></class> 362/2870 · 287 Needs editing
186 :902
	English Invokes `f` with references to each of the elements in the table. Such references are const iff `*this` is const. Execution is parallelized according to the semantics of the execution policy specified.
	Chinese (Simplified Han script) 以表中每个元素的引用调用函数 `f`。当且仅当 `*this` 为常量时，该引用为常量引用。执行过程将根据指定执行策略的语义进行并行化处理。 70/2010 · 201 Needs editing

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