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std::stoul, std::stoull

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< cpp‎ | string‎ | basic string

 
 
Biblioteca cordas
Strings terminadas
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Null-terminated strings
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Cadeias de bytes
Multibyte cordas
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Classes
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Classes
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basic_string
char_traits
 
std::basic_string
Funções de membro
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Member functions
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basic_string::basic_string
basic_string::operator=
basic_string::assign
basic_string::get_allocator
acesso. Elemento
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Element access
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basic_string::at
basic_string::operator[]
basic_string::front(C++11)
basic_string::back(C++11)
basic_string::data
basic_string::c_str
Iteradores
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Iterators
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basic_string::begin
basic_string::cbegin

(C++11)
basic_string::end
basic_string::cend

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

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

(C++11)
Capacidade
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Capacity
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basic_string::empty
basic_string::size
basic_string::length
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basic_string::reserve
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basic_string::shrink_to_fit(C++11)
Operações
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Operations
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basic_string::clear
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basic_string::pop_back(C++11)
basic_string::append
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Pesquisar
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Search
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basic_string::find
basic_string::rfind
basic_string::find_first_of
basic_string::find_first_not_of
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basic_string::find_last_not_of
Constantes
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Constants
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basic_string::npos
Não-membros funções
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Non-member functions
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operator+
operator==
operator!=
operator<
operator>
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swap(std::basic_string)
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)
Classes auxiliares
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Helper classes
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hash<std::string>
hash<std::wstring>
hash<std::u32string>
hash<std::u16string>
(C++11)
 
Defined in header <string>
unsigned long      stoul( const std::string& str, size_t *pos = 0, int base = 10 );
(1) (a partir do C++ 11)
unsigned long long stoull( const std::string& str, size_t *pos = 0, int base = 10 );
(2) (a partir do C++ 11)
Interpreta um valor inteiro sem sinal na seqüência 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

  • (opcional) prefix (0) indicating octal base (applies only when the base is 8)
  • (opcional) 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.

O índice do primeiro caractere não convertido é armazenado em pos. Se NULL é passada como pos, é ignorado.
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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Índice

[editar] Parâmetros

str -
a string para converter
Original:
the string to convert
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pos -
endereço. de um inteiro para armazenar o índice do primeiro caractere não convertido
Original:
address of an integer to store the index of the first unconverted character
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base -
a base do número
Original:
the number base
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[editar] Valor de retorno

A seqüência de convertidos para o tipo unsigned inteiro especificado.
Original:
The string converted to the specified unsigned integer type.
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[editar] Exceções

  • std::invalid_argument se nenhuma conversão poderia ser realizada
    Original:
    std::invalid_argument if no conversion could be performed
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  • std::out_of_range se o valor convertido iria cair para fora do intervalo do tipo de resultado.
    Original:
    std::out_of_range if the converted value would fall out of the range of the result type.
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[editar] Veja também

(C++11)
(C++11)
(C++11)
converte uma string para um inteiro assinado
Original:
converts a string to an signed integer
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(função) [edit]
(C++11)
(C++11)
(C++11)
converte uma string para um valor de ponto flutuante
Original:
converts a string to an floating point value
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(função) [edit]