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  2. C++ string handling - Wikipedia

    en.wikipedia.org/wiki/C++_string_handling

    The std::string class is the standard representation for a text string since C++98. The class provides some typical string operations like comparison, concatenation, find and replace, and a function for obtaining substrings. An std::string can be constructed from a C-style string, and a C-style string can also be obtained from one. [7]

  3. C++ Standard Library - Wikipedia

    en.wikipedia.org/wiki/C++_Standard_Library

    Provides a modern way of formatting strings including std::format. <string> Provides the C++ standard string classes and templates. <string_view> Added in C++17. Provides class template std::basic_string_view, an immutable non-owning view to any string. <regex> Added in C++11. Provides utilities for pattern matching strings using regular ...

  4. Associative containers (C++) - Wikipedia

    en.wikipedia.org/wiki/Associative_containers_(C++)

    In C++, associative containers are a group of class templates in the standard library of the C++ programming language that implement ordered associative arrays. [1] Being templates, they can be used to store arbitrary elements, such as integers or custom classes.

  5. Ternary conditional operator - Wikipedia

    en.wikipedia.org/wiki/Ternary_conditional_operator

    The detailed semantics of "the" ternary operator as well as its syntax differs significantly from language to language. A top level distinction from one language to another is whether the expressions permit side effects (as in most procedural languages) and whether the language provides short-circuit evaluation semantics, whereby only the selected expression is evaluated (most standard ...

  6. Reference (C++) - Wikipedia

    en.wikipedia.org/wiki/Reference_(C++)

    In the C++ programming language, a reference is a simple reference datatype that is less powerful but safer than the pointer type inherited from C. The name C++ reference may cause confusion, as in computer science a reference is a general concept datatype, with pointers and C++ references being specific reference datatype implementations.

  7. C++20 - Wikipedia

    en.wikipedia.org/wiki/C++20

    std::to_address to convert a pointer to a raw pointer [42] calendar and time-zone additions to <chrono> [43] std::span, providing a view to a contiguous array (analogous to std::string_view but span can mutate the referenced sequence) [44] std::erase and std::erase_if, simplifying element erasure for most standard containers [45] <version ...

  8. C string handling - Wikipedia

    en.wikipedia.org/wiki/C_string_handling

    A string is defined as a contiguous sequence of code units terminated by the first zero code unit (often called the NUL code unit). [1] This means a string cannot contain the zero code unit, as the first one seen marks the end of the string. The length of a string is the number of code units before the zero code unit. [1]

  9. C++ - Wikipedia

    en.wikipedia.org/wiki/C++

    Currently, the C++ standard library provides two modules, std and std.compat (a compatibility module for std which exports C standard library facilities into the global namespace). The standard incorporates the STL that was originally designed by Alexander Stepanov, who experimented with generic algorithms and containers for many years. When he ...