Varianti

    integer literal

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    <metanoindex/>

     
    C++
     
    Linguaggio C + +
    Temi generali
    Original:
    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
    Original:
    Exceptions
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    Spazi dei nomi
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    Namespaces
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    Tipi
    Original:
    Types
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    decltype specifier (C++11)
    Specifiers
    Original:
    Specifiers
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    cv specificatori
    Durata di stoccaggio specificatori
    constexpr specificatore (C++11)
    specificatore auto (C++11)
    alignas specificatore (C++11)
    Inizializzazione
    Original:
    Initialization
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    Letterali
    Original:
    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
    Original:
    Class-specific function properties
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    esplicito (C++11)
    statico
    Funzioni membro speciali
    Original:
    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
    Original:
    Miscellaneous
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    Montaggio in linea
     

    Sintassi

    [0-9]+ type_suffix (1)
    0 [0-7]+ type_suffix (2)
    0 x [0-9a-b]+ type_suffix (3)

    Spiegazione

    # Notazione decimale
    Original:
    # Decimal notation
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    # Notazione ottale
    Original:
    # Octal notation
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    # Notazione esadecimale
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    # Hexadecimal notation
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    Tipi di suffisso

    , (Nessun suffisso)
    Original:
    ;(no suffix)
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    int
    u
    unsigned int
    l
    long
    ul
    unsigned long
    ll (dal C++11)
    long long
    ull (dal C++11)
    unsigned long long

    Note

    • Lettere in costanti intere sono maiuscole e minuscole.
      Original:
      Letters in integer constants are case-insensitive.
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    Esempio

    std::cout << 123    << '\n'
          << 0123   << '\n'
          << 0x123  << '\n'
          << 12345678901234567890UL << '\n'
          << -1u    << '\n'
          << -1ull  << '\n';

    Output: 

    123
83
291
12345678901234567890
4294967295
18446744073709551615
    (Uscita da un processore x86_64)
    Original:
    (output from an x86_64 processor)
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