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Utility library

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< cpp

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C++
 
实用工具库
类型的支持 (basic types, RTTI, type traits)
动态内存管理
错误处理
程序实用工具
可变参数函数
日期和时间
函数对象
initializer_list（C++11）
bitset
hash（C++11）
关系运算符
Original:
Relational operators
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rel_ops::operator!=
rel_ops::operator>
rel_ops::operator<=
rel_ops::operator>=
双和元组
Original:
Pairs and tuples
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pair
tuple（C++11）
piecewise_construct_t（C++11）
piecewise_construct（C++11）
掉期，远期和移动
Original:
Swap, forward and move
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swap
forward（C++11）
move（C++11）
move_if_noexcept（C++11）
declval（C++11）
 
C + +包含了多种实用程序库提供的功能从数位部分功能的应用。这些库可以大致分为两类：一
Original:
C++ includes a variety of utility libraries that provide functionality ranging from 数位 to 部分功能的应用. These libraries can be broadly divided into two groups:
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  • 语言支持库
    Original:
    language support libraries, and
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  • 通用库.
    Original:
    general-purpose libraries.
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目录

[编辑] 语言支持

语言支持库提供的类和函数语言特性，并支持通用的语言用法的密切互动与.
Original:
Language support libraries provide classes and functions that interact closely with language features and support common language idioms.
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[编辑] 类型的支持

基本类型（如std::size_t，std::nullptr_t），RTTI（例如std::type_info），类型特征（例如std::is_integral，std::rank）
Original:
Basic types (e.g. std::size_t, std::nullptr_t), RTTI (e.g. std::type_info), type traits (e.g. std::is_integral, std::rank)
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[编辑] 动态内存管理

智能指针（如std::shared_ptr），分配器（例如std::allocator），C-风格的内存管理（例如std::malloc）
Original:
Smart pointers (e.g. std::shared_ptr), allocators (e.g. std::allocator), C-style memory management (e.g. std::malloc)
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[编辑] 错误处理

异常（例如std::exception，std::logic_error），断言（例如assert）
Original:
Exceptions (e.g. std::exception, std::logic_error), assertions (e.g. assert)
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[编辑] 初始化列表

（C++11）
允许使用的初始化列表中的语法初始化非纯老的数据类型
Original:
allows the use of 初始化列表中的语法 to initialize non plain-old-data types
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（类模板） [edit]

[编辑] 可变参数函数

支持为任意数量的参数（通过例如va_start，va_arg，va_end）的函数
Original:
Support for functions that take an arbitrary number of parameters (via e.g. va_start, va_arg, va_end)
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[编辑] 通用的工具

[编辑] 程序实用工具

终端（例如std::abort，std::atexit），环境（例如std::system），信号（例如std::raise）的
Original:
Termination (e.g. std::abort, std::atexit), environment (e.g. std::system), signals (e.g. std::raise)
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[编辑] 日期和时间

时间跟踪（如std::chrono::time_point，std::chrono::duration），C-风格的日期和时间（如：std::time，std::clock）
Original:
Time tracking (e.g. std::chrono::time_point, std::chrono::duration), C-style date and time (e.g. std::time, std::clock)
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[编辑] 比特集“
实现固定长度的位阵列
Original:
implements constant length bit array
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（类） [edit]

[编辑] 函数对象

部分功能的应用程序（如std::bind），通用功能（例如std::function），预定义的仿函数（如std::plus，std::equal_to）
Original:
Partial function application (e.g. std::bind), generic functions (e.g. std::function), predefined functors (e.g. std::plus, std::equal_to)
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[编辑] 双和元组
实现二进制元组，即一对值
Original:
implements binary tuple, i.e. a pair of values
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（类模板） [edit]
（C++11）
实现固定大小的容器，该容器保持可能的不同类型的元素
Original:
implements fixed size container, which holds elements of possibly different types
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（类模板） [edit]
（C++11）
使用的标签类型选择正确的重载函数，分段建设
Original:
tag type used to select correct function overload for piecewise construction
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（类） [edit]
（C++11）
piecewise_construct_t类型的对象使用，以消除歧义分段施工的功能
Original:
an object of type piecewise_construct_t used to disambiguate functions for piecewise construction
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（不变） [edit]

[编辑] 掉期，远期和移动
掉期两个对象的值
Original:
swaps the values of two objects
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（函数模板） [edit]
（C++11）
转发函数的参数
Original:
forwards a function argument
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（函数模板） [edit]
（C++11）
获得一个右值引用
Original:
obtains an rvalue reference
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（函数模板） [edit]
（C++11）
获得一个右值引用的举动构造方法不抛出
Original:
obtains an rvalue reference if the move constructor does not throw
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（函数模板） [edit]
（C++11）
在未经评估的情况下获得了表达式的类型
Original:
obtains the type of expression in unevaluated context
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（函数模板） [edit]

[编辑] 关系运算符

Defined in namespace std::rel_ops
automatically generates comparison operators based on user-defined operator== and operator<
（函数模板） [edit]

[编辑] 哈希支持

（C++11）
 hash function object
（类模板） [edit]
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