Varianti

    bool literal

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    <metanoindex/>

     
    C++
     
    Linguaggio C + +
    Temi generali
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    General topics
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    Controllo del flusso
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    Flow control
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    Dichiarazioni esecuzione condizionale
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    Conditional execution statements
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    Iterazione dichiarazioni
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    Iteration statements
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    Vai dichiarazioni
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    Jump statements
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    Funzioni
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    Functions
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    dichiarazione di funzione
    lambda funzione dichiarazione
    funzione di modello
    specificatore inline
    eccezioni specifiche (deprecato)
    noexcept specificatore (C++11)
    Eccezioni
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    Exceptions
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    Spazi dei nomi
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    Namespaces
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    Tipi
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    Types
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    decltype specifier (C++11)
    Specifiers
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    Specifiers
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    cv specificatori
    Durata di stoccaggio specificatori
    constexpr specificatore (C++11)
    specificatore auto (C++11)
    alignas specificatore (C++11)
    Inizializzazione
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    Initialization
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    Letterali
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    Literals
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    Espressioni
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    Expressions
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    rappresentazioni alternative
    Utilities
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    Utilities
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    Tipi
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    Types
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    typedef declaration
    Tipo alias dichiarazione (C++11)
    attributi (C++11)
    Lancia
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    Casts
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    conversioni implicite
    const_cast conversion
    static_cast conversion
    dynamic_cast conversion
    reinterpret_cast conversion
    Fusione C-stile e funzionale
    Occupazione della memoria
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    Memory allocation
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    Classi
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    Classes
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    Specifiche per una classe di funzioni proprietà
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    Class-specific function properties
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    esplicito (C++11)
    statico
    Funzioni membro speciali
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    Special member functions
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    Modelli
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    Templates
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    classe template
    funzione di modello
    modello di specializzazione
    parametri confezioni (C++11)
    Varie
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    Miscellaneous
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    Montaggio in linea
     

    Sintassi

    true (1)
    false (2)

    Spiegazione

    # Boolean true (valore 1)
    Original:
    #boolean true (value of 1)
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    # Boolean false (valore 0)
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    #boolean false (value of 0)
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    Esempio

    std::cout << std::boolalpha
          << true << '\n'
          << false << '\n'
          << std::noboolalpha
          << true << '\n'
          << false << '\n';

    Output: 

    true
false
1
0