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    <metanoindex/>

     
    C++
     
    Sprache C++
    Allgemeine Themen
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    General topics
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    Flusskontrolle
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    Flow control
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    Bedingte Ausfhrung Aussagen
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    Conditional execution statements
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    Iterationsanweisungen
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    Iteration statements
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    Gehe Aussagen
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    Jump statements
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    Funktionen
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    Functions
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    Funktion Erklrung
    Lambda-Funktion Erklrung
    Funktions-Template
    inline-Spezifizierer
    Exception-Spezifikationen (veraltet)
    noexcept Spezifizierer (C++11)
    Ausnahmen
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    Exceptions
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    Namespaces
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    Namespaces
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    Types
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    Types
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    decltype specifier (C++11)
    Specifiers
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    Specifiers
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    cv Planer
    Lagerdauer Planer
    constexpr Spezifizierer (C++11)
    auto Spezifizierer (C++11)
    alignas Spezifizierer (C++11)
    Initialisierung
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    Initialization
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    Literale
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    Literals
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    Expressions
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    Expressions
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    alternative Darstellungen
    Utilities
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    Utilities
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    Types
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    Types
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    typedef declaration
    Typ Aliasdeklaration (C++11)
    Attribute (C++11)
    Wirft
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    Casts
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    impliziten Konvertierungen
    const_cast conversion
    static_cast conversion
    dynamic_cast conversion
    reinterpret_cast conversion
    C-Stil und funktionale Besetzung
    Speicherzuweisung
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    Memory allocation
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    Classes
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    Classes
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    Class-spezifische Funktion Eigenschaften
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    Class-specific function properties
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    explizit (C++11)
    statisch
    Besondere Member-Funktionen
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    Special member functions
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    Templates
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    Templates
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    Klassen-Template
    Funktions-Template
    Template-Spezialisierung
    Parameter Packs (C++11)
    Verschiedenes
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    Miscellaneous
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    Inline Montage
     
    Stellt die Implementierung definiert Attribute fr Typen, Objekte, Code, etc.
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    Introduces implementation-defined attributes for types, objects, code, etc.
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    [[attr]] [[attr1, attr2, attr3(args)]] [[namespace::attr(args)]] alignas_specifier

    Erklrung

    Attribute bilden die einheitlichen Standard Syntax fr die Implementierung definiert Spracherweiterungen, wie die GNU und IBM Spracherweiterungen __attribute__((...)), Microsoft-Erweiterung __declspec(), etc.
    Original:
    Attributes provide the unified standard syntax for implementation-defined language extensions, such as the GNU and IBM language extensions __attribute__((...)), Microsoft extension __declspec(), etc.
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    Ein Attribut kann fast berall in der C + +-Programm verwendet werden, und kann auf fast alles angewandt werden: die Typen, Variablen, Funktionen, um Namen, um Code-Blcke, die gesamte bersetzung Einheiten, obwohl jedes einzelne Attribut ist nur gltig, wenn es wird durch die Implementierung erlaubt: [[probably(true)]] kann nur mit einem if verwendet werden, und nicht mit einer Klassendeklaration. [[omp::parallel()]] kann zu einem Code zu einem Block oder for Schleife gelten, aber nicht mit dem Typ int, etc.
    Original:
    An attribute can be used almost everywhere in the C++ program, and can be applied to almost everything: to types, to variables, to functions, to names, to code blocks, to entire translation units, although each particular attribute is only valid where it is permitted by the implementation: [[probably(true)]] can only be used with an if, and not with an class declaration. [[omp::parallel()]] can apply to a code block or to a for loop, but not to the type int, etc.
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    In Erklrungen, knnen Attribute sowohl vor als auch unmittelbar nach dem Namen des Unternehmens, das erklrt, in welchem Fall sie kombiniert werden angezeigt. In den meisten anderen Situationen, Attribute zu dem direkt vorausfahrenden Einheit gelten .
    Original:
    In declarations, attributes may appear both before and directly after the name of the entity that is declared, in which case they are combined. In most other situations, attributes apply to the directly preceding entity.
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    alignas_specifier ist ein Teil des Attributs Spezifizierer Sequenz, obwohl es andere Syntax hat. Es kann vorkommen, wo die [[...]] Attribute und erscheinen mag mit ihnen (vorausgesetzt, es wird dort eingesetzt, wo alignas zulssig ist) mischen
    Original:
    alignas_specifier is a part of the attribute specifier sequence, although it has different syntax. It may appear where the [[...]] attributes appear and may mix with them (provided it is used where alignas is permitted)
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    Standard-Attribute

    Nur die folgenden beiden Attribute werden von der C + +-Standard definiert. Alle anderen Attribute sind die Implementierung spezifischer .
    Original:
    Only the following two attributes are defined by the C++ standard. All other attributes are implementation-specific.
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    [[noreturn]]
    Zeigt an, dass die Funktion nicht zurck.
    Dieses Attribut gilt fr Erklrungen nur dann funktionieren. Das Verhalten ist undefiniert, wenn die Funktion mit diesem Attribut tatschlich zurckgibt.
    The folgenden Standard-Funktionen besitzen dieses Attribut: std::_Exit, std::abort, std::exit, std::quick_exit, std::unexpected, std::terminate, std::rethrow_exception, std::throw_with_nested, std::rethrow_nested
    Original:
    Indicates that the function does not return.
    This attribute applies to function declarations only. The behavior is undefined if the function with this attribute actually returns.
    The following standard functions have this attribute: std::_Exit, std::abort, std::exit, std::quick_exit, std::unexpected, std::terminate, std::rethrow_exception, std::throw_with_nested, std::rethrow_nested
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    [[carries_dependency]]
    std::memory_order: Zeigt an, dass die Abhngigkeit Kette release-verbrauchen
    breitet sich in und aus der Funktion, die der Compiler unntigen Speicherplatz Zaun instructions.
    This Attribut berspringen kann in zwei Situationen auftreten

    1) es kann mit den Parameterdeklarationen einer Funktion oder Lambda-Ausdrcke gelten, in dem Fall zeigt, dass die Initialisierung des Parameters trgt Abhngigkeit in Lvalue-zu-R-Wert-Umwandlung dieses object.

    2) Es kann an die Funktion Erklrung als Ganzes, in welchem Fall es zeigt an, dass der Rckgabewert Abhngigkeit zu der Auswertung der Aufruf der Funktion Ausdruck fhrt zu .
    Original:
    Indicates that dependency chain in release-consume std::memory_order propagates in and out of the function, which allows the compiler to skip unnecessary memory fence instructions.
    This attribute may appear in two situations:

    1) it may apply to the parameter declarations of a function or lambda-expressions, in which case it indicates that initialization of the parameter carries dependency into lvalue-to-rvalue conversion of that object.

    2) It may apply to the function declaration as a whole, in which case it indicates that the return value carries dependency to the evaluation of the function call expression.
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    Beispiel

    This section is incomplete
    Reason: no example
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