std::stoul, std::stoull

 

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std::basic_string

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basic_string::begin basic_string::cbegin (C++11)

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basic_string::rbegin basic_string::crbegin (C++11)

basic_string::rend basic_string::crend (C++11)

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basic_string::npos

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operator+

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getline

stoi stol stoll (C++11) (C++11) (C++11)

stoul stoull (C++11) (C++11)

stof stod stold (C++11) (C++11) (C++11)

to_string (C++11)

to_wstring (C++11)

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hash<std::string> hash<std::wstring> hash<std::u32string> hash<std::u16string> (C++11)

 

definiert in Header <string>
unsignedlong      stoul(conststd::string& str, size_t *pos =0, int base =10);	(1)	(seit C++11)
unsignedlonglong stoull(conststd::string& str, size_t *pos =0, int base =10);	(2)	(seit C++11)

Legt einen vorzeichenlosen Integer-Wert im String str .

Original:

Interprets an unsigned integer value in the string str.

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Function discards any whitespace characters until first non-whitespace character is found. Then it takes as many characters as possible to form a valid base-n (where n=base) unsigned integer number representation and converts them to an integer value. The valid unsigned integer value consists of the following parts: None

• (optional) prefix (0) indicating octal base (applies only when the base is 8)
• (optional) prefix (0x or 0X) indicating hexadecimal base (applies only when the base is 16)
• a sequence of digits

The set of valid digits for base-2 integer is 01, for base-3 integer is 012, and so on. For bases larger than 10, valid digits include alphabetic characters, starting from Aa for base-11 integer, to Zz for base-36 integer. The case of the characters is ignored.

Der Index des ersten umgesetzten Zeichen wird in pos gespeichert. Wenn NULL als pos übergeben wird, wird es ignoriert .

Original:

The index of the first unconverted character is stored in pos. If NULL is passed as pos, it is ignored.

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Parameter

str	-	die Zeichenfolge zu konvertieren Original: the string to convert The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
pos	-	Adresse einer Integer, um den Index des ersten umgesetzten Charakter Original: address of an integer to store the index of the first unconverted character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
base	-	speichern. die Zahlenbasis Original: the number base The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Rückgabewert

Die Zeichenfolge, die konvertiert die angegebene unsigned Integer-Typ .

Original:

The string converted to the specified unsigned integer type.

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Ausnahmen

• std::invalid_argument wenn keine Konvertierung durchgeführt werden konnten

  Original:

  std::invalid_argument if no conversion could be performed

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• std::out_of_range wenn der konvertierte Wert würde fallen aus dem Bereich der Ergebnis-Typ .

  Original:

  std::out_of_range if the converted value would fall out of the range of the result type.

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Siehe auch

stoi stol stoll (C++11) (C++11) (C++11)	wandelt einen String in eine Ganzzahl Original: converts a string to an signed integer The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion)
stof stod stold (C++11) (C++11) (C++11)	wandelt einen String in eine Gleitkommazahl Original: converts a string to an floating point value The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion)