std::basic_string::basic_string

<metanoindex/>

 

C++

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Requerimentos nomeados

Feature test macros (C++20)

Biblioteca de suporte de língua

Biblioteca de conceitos (C++20)

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Ranges library (C++20)

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Especificações Técnicas

Índice de symbolos

Bibliotecas externas

 

Biblioteca cordas

Strings terminadas Original: Null-terminated strings The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Cadeias de bytes

Multibyte cordas

Cordas de largura

Classes Original: Classes The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_string

char_traits

 

std::basic_string

Funções de membro Original: Member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_string::basic_string

basic_string::operator=

basic_string::assign

basic_string::get_allocator

acesso. Elemento Original: Element access The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_string::at

basic_string::operator[]

basic_string::front (C++11)

basic_string::back (C++11)

basic_string::data

basic_string::c_str

Iteradores Original: Iterators The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

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 Original: Capacity The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_string::empty

basic_string::size

basic_string::length

basic_string::max_size

basic_string::reserve

basic_string::capacity

basic_string::shrink_to_fit (C++11)

Operações Original: Operations The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_string::clear

basic_string::insert

basic_string::erase

basic_string::push_back

basic_string::pop_back (C++11)

basic_string::append

basic_string::operator+=

basic_string::compare

basic_string::replace

basic_string::substr

basic_string::copy

basic_string::resize

basic_string::swap

Pesquisar Original: Search The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_string::find

basic_string::rfind

basic_string::find_first_of

basic_string::find_first_not_of

basic_string::find_last_of

basic_string::find_last_not_of

Constantes Original: Constants The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_string::npos

Não-membros funções Original: Non-member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

operator+

operator==operator!=operator<operator>operator<=operator>=

swap(std::basic_string)

operator<<operator>>

getline

stoistolstoll (C++11)(C++11)(C++11)

stoulstoull (C++11)(C++11)

stofstodstold (C++11)(C++11)(C++11)

to_string (C++11)

to_wstring (C++11)

Classes auxiliares Original: Helper classes The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

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

 

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explicit basic_string( const Allocator& alloc = Allocator() );	(1)
basic_string( size_type count, CharT ch, const Allocator& alloc = Allocator() );	(2)
basic_string( const basic_string& other, size_type pos, size_type count = std::basic_string::npos, const Allocator& alloc = Allocator() );	(3)
basic_string( const CharT* s, size_type count, const Allocator& alloc = Allocator() );	(4)
basic_string( const CharT* s, const Allocator& alloc = Allocator() );	(5)
template< class InputIt > basic_string( InputIt first, InputIt last, const Allocator& alloc = Allocator() );	(6)
basic_string( const basic_string& other );	(7)
basic_string( const basic_string& other, const Allocator& alloc );	(7)	(desde C++11)
basic_string( basic_string&& other )	(8)	(desde C++11)
basic_string( basic_string&& other, const Allocator& alloc );	(8)	(desde C++11)
basic_string( std::initializer_list<CharT> init, const Allocator& alloc = Allocator() );	(9)	(desde C++11)

Constrói nova cadeia a partir de uma variedade de fontes de dados e, opcionalmente, usando alocador utilizador fornecido alloc.

Original:

Constructs new string from a variety of data sources and optionally using user supplied allocator alloc.

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1)

Construtor padrão. Constrói cadeia vazia.

Original:

Default constructor. Constructs empty string.

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2)

Constrói a string com cópias count de ch personagem.

Original:

Constructs the string with count copies of character ch.

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3)

Constrói a corda com uma [pos, pos+count) substring de other. Se a substring solicitado dura após o final da cadeia, ou se count == npos, a substring resultante é [pos, size()). Se pos >= other.size(), std::out_of_range é jogado.

Original:

Constructs the string with a substring [pos, pos+count) of other. If the requested substring lasts past the end of the string, or if count == npos, the resulting substring is [pos, size()). If pos >= other.size(), std::out_of_range is thrown.

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4)

Constrói a string com os caracteres count primeiro de cadeia de caracteres apontada por s. s pode conter caracteres nulos. s não deve ser um ponteiro NULL.

Original:

Constructs the string with the first count characters of character string pointed to by s. s can contain null characters. s must not be a NULL pointer.

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5)

Constrói a string com o conteúdo de terminada em nulo cadeia de caracteres apontada por s. O comprimento da corda é determinada pelo primeiro caractere nulo. s não deve ser um ponteiro NULL.

Original:

Constructs the string with the contents of null-terminated character string pointed to by s. The length of the string is determined by the first null character. s must not be a NULL pointer.

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6) Constructs the string with the contents of the range [first, last).

7) Copy constructor. Constructs the string with the copy of the contents of other.

8) Move constructor. Constructs the string with the contents of other using move semantics.

9) Constructs the string with the contents of the initializer list init.

Parâmetros

alloc	-	alocador de usar para todas as alocações de memória de esta cadeia Original: allocator to use for all memory allocations of this string The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
count	-	tamanho da string resultante Original: size of the resulting string The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
ch	-	valor para inicializar a string com Original: value to initialize the string with The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
first, last	-	variar de copiar os personagens de Original: range to copy the characters from The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
s	-	ponteiro para uma cadeia de caracteres para use como fonte para inicializar a string com Original: pointer to a character string to use as source to initialize the string with The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
other	-	outra string para usar como fonte para inicializar a string com Original: another string to use as source to initialize the string with The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
init	-	inicializador lista para inicializar a string com Original: initializer list to initialize the string with The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Type requirements
- InputIt must meet the requirements of InputIterator.

Complexidade

1)

constante

Original:

constant

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2-4)

linear em count

Original:

linear in count

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5) linear in length of s

6)

linear da distância entre first e last

Original:

linear in distance between first and last

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7)

linear no tamanho de other

Original:

linear in size of other

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8)

constante. Se alloc é dado e alloc != other.get_allocator(), em seguida, linear.

Original:

constant. If alloc is given and alloc != other.get_allocator(), then linear.

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9)

linear no tamanho de init

Original:

linear in size of init

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Veja também

assign	atribuir caracteres para uma string Original: assign characters to a string The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função pública membro)
operator=	atribui valores para a cadeia Original: assigns values to the string The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função pública membro)