std::basic_string::data
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< cpp | string | basic string
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const CharT* data()const; | ||
Liefert Zeiger auf das zugrunde liegende Array dient als Zeichen Speicher .
Original:
Returns pointer to the underlying array serving as character storage.
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Wenn
empty() kehrt false, ist der Zeiger, so dass der Bereich [data(); data() + size()) gültig ist und die Werte darin zu den Werten in der Zeichenfolge gespeichert sind. Wenn empty() kehrt true, ist der Zeiger ein nicht-Null-Zeiger nicht zu dereferenziert. (bis C + +11)Original:
If
empty() returns false, the pointer is such that the range [data(); data() + size()) is valid and the values in it correspond to the values stored in the string. If empty() returns true, the pointer is a non-null pointer that should not be dereferenced. (bis C + +11)The text has been machine-translated via Google Translate.
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Der Zeiger ist derart, dass der Bereich
[data(); data() + size()] gültig ist und die Werte darin zu den Werten in der Zeichenfolge (einschließlich des zusätzlichen Nullzeichen) gespeichert entsprechen, auch wenn empty() kehrt true. (seit C++11)Original:
The pointer is such that the range
[data(); data() + size()] is valid and the values in it correspond to the values stored in the string (including the additional null character) even when empty() returns true. (seit C++11)The text has been machine-translated via Google Translate.
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Inhaltsverzeichnis |
[Bearbeiten]Notes
Schriftlich an den Zeichen-Array durch
data zugegriffen wird undefinierten Verhalten .Original:
Writing to the character array accessed through
data is undefined behavior.The text has been machine-translated via Google Translate.
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Der Zeiger von
data() erhalten sollte nicht als gültig angesehen werden, nachdem alle nicht-const-Betrieb auf der Saite .Original:
The pointer obtained from
data() should not be considered valid after any non-const operation on the string.The text has been machine-translated via Google Translate.
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Da C + 11, und
data()c_str() die gleiche Funktion .Original:
Since C++11,
data() and c_str() perform the same function.The text has been machine-translated via Google Translate.
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[Bearbeiten]Parameter
(None)
Original:
(none)
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[Bearbeiten]Rückgabewert
Pointer auf die zugrunde liegende Charakter Speicher, so dass data()[i]== operator[](i) für jeden
i in [0, size()). (bis C + +11)Original:
Pointer to the underlying character storage such that data()[i]== operator[](i) for every
i in [0, size()). (bis C + +11)The text has been machine-translated via Google Translate.
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Pointer auf die zugrunde liegende Charakter Speicher, so dass data()+ i ==&operator[](i) für jeden
i in [0, size()]. (seit C++11)Original:
Pointer to the underlying character storage such that data()+ i ==&operator[](i) for every
i in [0, size()]. (seit C++11)The text has been machine-translated via Google Translate.
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[Bearbeiten]Komplexität
Constant .
Original:
Constant.
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[Bearbeiten]Ausnahmen
[Bearbeiten]Siehe auch
(C++11) | greift auf das erste Zeichen Original: accesses the first character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (öffentliche Elementfunktion) |
(C++11) | greift das letzte Zeichen Original: accesses the last character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (öffentliche Elementfunktion) |
gibt eine nicht-modifizierbare Standard C Zeichenarray Version der Zeichenfolge Original: returns a non-modifiable standard C character array version of the string The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (öffentliche Elementfunktion) | |
