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cpp/string/basic string/assign: differenze tra le versioni

Da cppreference.com.
< cpp‎ | string‎ | basic string
m (r2.7.3) (Bot: Aggiungo de, en, es, fr, zh; tolgo it)
m (Use {{lc}}. Update links. Various fixes.)
 
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{{cpp/string/basic_string/title | assign}}
 
{{cpp/string/basic_string/title | assign}}
 
{{cpp/string/basic_string/navbar}}
 
{{cpp/string/basic_string/navbar}}
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{{ddcl list begin}}
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{{begin}}
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{{ddcl list item | num=1 |
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{{| num=1 |
 
basic_string& assign( size_type count, CharT ch );
 
basic_string& assign( size_type count, CharT ch );
 
}}
 
}}
−
{{ddcl list item | num=2 |  
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{{| num=2 |  
 
basic_string& assign( const basic_string& str );
 
basic_string& assign( const basic_string& str );
 
}}
 
}}
−
{{ddcl list item | num=3 |
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{{| num=3 |
 
basic_string& assign( const basic_string& str,
 
basic_string& assign( const basic_string& str,
 
                       size_type pos,
 
                       size_type pos,
 
                       size_type count );
 
                       size_type count );
 
}}
 
}}
−
{{ddcl list item | num=4 | notes={{mark since c++11}} |
+
{{| num=4 | sincec++11 |
 
basic_string& assign( basic_string&& str );
 
basic_string& assign( basic_string&& str );
 
}}
 
}}
−
{{ddcl list item | num=5 |
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{{| num=5 |
 
basic_string& assign( const CharT* s,
 
basic_string& assign( const CharT* s,
 
                       size_type count );
 
                       size_type count );
 
}}
 
}}
−
{{ddcl list item | num=6 |
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{{| num=6 |
 
basic_string& assign( const CharT* s );
 
basic_string& assign( const CharT* s );
 
}}
 
}}
−
{{ddcl list item | num=7 | 1=
+
{{| num=7 | 1=
 
template< class InputIt >
 
template< class InputIt >
 
basic_string& assign( InputIt first, InputIt last );
 
basic_string& assign( InputIt first, InputIt last );
 
}}
 
}}
−
{{ddcl list item | num=8 | notes={{mark since c++11}} | 1=
+
{{| num=8 | sincec++11 | 1=
 
basic_string& assign( std::initializer_list<CharT> ilist );
 
basic_string& assign( std::initializer_list<CharT> ilist );
 
}}
 
}}
−
{{ddcl list end}}
+
{{end}}
  
 
{{tr|Sostituisce il contenuto della stringa.|Replaces the contents of the string.}}
 
{{tr|Sostituisce il contenuto della stringa.|Replaces the contents of the string.}}
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2) {{tr|Sostituisce il contenuto con una copia di {{tt|str}}|Replaces the contents with a copy of {{tt|str}}}}
 
2) {{tr|Sostituisce il contenuto con una copia di {{tt|str}}|Replaces the contents with a copy of {{tt|str}}}}
  
−
3) {{tr|Sostituisce il contenuto con un {{tt|[pos, pos+count)}} sottostringa di {{tt|str}}. Se la sottostringa richiesto dura oltre la fine della stringa, o se {{c|1=count == npos}}, la sottostringa risultante è {{tt|[pos, size())}}. Se {{c|1=pos >= str.size()}}, {{c|std::out_of_range}} viene gettato. |Replaces the contents with a substring {{tt|[pos, pos+count)}} of {{tt|str}}. If the requested substring lasts past the end of the string, or if {{c|1=count == npos}}, the resulting substring is {{tt|[pos, size())}}.  If {{c|1=pos >= str.size()}}, {{c|std::out_of_range}} is thrown. }}
+
3) {{tr|Sostituisce il contenuto con un {{tt|[pos, pos+count)}} sottostringa di {{tt|str}}. Se la sottostringa richiesto dura oltre la fine della stringa, o se {{c|1=count == npos}}, la sottostringa risultante è {{tt|[pos, size())}}. Se {{c|1=pos >= str.size()}}, {{|std::out_of_range}} viene gettato. |Replaces the contents with a substring {{tt|[pos, pos+count)}} of {{tt|str}}. If the requested substring lasts past the end of the string, or if {{c|1=count == npos}}, the resulting substring is {{tt|[pos, size())}}.  If {{c|1=pos >= str.size()}}, {{|std::out_of_range}} is thrown. }}
  
 
4) {{tr|Sostituisce il contenuto con quelli della {{tt|str}} usando la semantica spostamento. {{tt|str}} è in stato indefinito dopo l'operazione.|Replaces the contents with those of {{tt|str}} using move semantics. {{tt|str}} is in undefined state after the operation.}}
 
4) {{tr|Sostituisce il contenuto con quelli della {{tt|str}} usando la semantica spostamento. {{tt|str}} è in stato indefinito dopo l'operazione.|Replaces the contents with those of {{tt|str}} using move semantics. {{tt|str}} is in undefined state after the operation.}}
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===Parametri===
 
===Parametri===
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{{param list begin}}
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{{begin}}
−
{{param list item | count |{{tr| dimensione della stringa risultante| size of the resulting string}}}}
+
{{| count |{{tr| dimensione della stringa risultante| size of the resulting string}}}}
−
{{param list item | ch |{{tr| valore per inizializzare i caratteri della stringa con| value to initialize characters of the string with}}}}
+
{{| ch |{{tr| valore per inizializzare i caratteri della stringa con| value to initialize characters of the string with}}}}
−
{{param list item | first, last |{{tr| gamma di copiare i personaggi| range to copy the characters from}}}}
+
{{| first, last |{{tr| gamma di copiare i personaggi| range to copy the characters from}}}}
−
{{param list item | str |{{tr| stringa da utilizzare come sorgente per inizializzare i personaggi con| string to be used as source to initialize the characters with}}}}
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{{| str |{{tr| stringa da utilizzare come sorgente per inizializzare i personaggi con| string to be used as source to initialize the characters with}}}}
−
{{param list item | s |{{tr| puntatore a una stringa di caratteri use<br> come fonte per inizializzare la stringa con| pointer to a character string to use<br> as source to initialize the string with}}}}
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{{| s |{{tr| puntatore a una stringa di caratteri use<br> come fonte per inizializzare la stringa con| pointer to a character string to use<br> as source to initialize the string with}}}}
−
{{param list item | init |{{tr| inizializzatore lista per inizializzare i caratteri della stringa con| initializer list to initialize the characters of the string with}}}}
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{{| init |{{tr| inizializzatore lista per inizializzare i caratteri della stringa con| initializer list to initialize the characters of the string with}}}}
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{{param list hreq}}
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{{hreq}}
−
{{param list req concept | InputIt | InputIterator}}
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{{req concept | InputIt | InputIterator}}
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{{param list end}}  
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{{end}}  
  
 
===Valore di ritorno===
 
===Valore di ritorno===
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===Vedi anche===
 
===Vedi anche===
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{{dcl list begin}}
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{{begin}}
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{{dcl list template | cpp/string/basic_string/dcl list constructor}}
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{{| cpp/string/basic_string/constructor}}
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{{dcl list template | cpp/string/basic_string/dcl list operator{{=}}}}
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{{| cpp/string/basic_string/operator{{=}}}}
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{{dcl list end}}
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{{end}}
  
 
[[de:cpp/string/basic string/assign]]
 
[[de:cpp/string/basic string/assign]]

Versione attuale delle 15:05, 2 lug 2013

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C++
 
Stringhe libreria
Null-stringhe terminate
Original:
Null-terminated strings
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Byte stringhe
Multibyte stringhe
Stringhe larghe
Classi
Original:
Classes
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basic_string
char_traits
 
std::basic_string
Membri funzioni
Original:
Member functions
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basic_string::basic_string
basic_string::operator=
basic_string::assign
basic_string::get_allocator
Elemento accesso
Original:
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
Iteratori
Original:
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)
Capacità
Original:
Capacity
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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)
Operazioni
Original:
Operations
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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
Cerca
Original:
Search
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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
Costanti
Original:
Constants
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basic_string::npos
Non membri funzioni
Original:
Non-member functions
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operator+
operator==
operator!=
operator<
operator>
operator<=
operator>=
swap(std::basic_string)
operator<<
operator>>
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)
Helper classi
Original:
Helper classes
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hash<std::string>
hash<std::wstring>
hash<std::u32string>
hash<std::u16string>		(C++11)
 
basic_string& assign( size_type count, CharT ch );
 (1)
basic_string& assign( const basic_string& str );
 (2)
basic_string& assign( const basic_string& str,

                      size_type pos,

                      size_type count );
 (3)
basic_string& assign( basic_string&& str );
 (4) (dal C++11)
basic_string& assign( const CharT* s,
                      size_type count );
 (5)
basic_string& assign( const CharT* s );
 (6)
template< class InputIt >
basic_string& assign( InputIt first, InputIt last );
 (7)
basic_string& assign( std::initializer_list<CharT> ilist );
 (8) (dal C++11)
Sostituisce il contenuto della stringa.
Original:
Replaces the contents of the string.
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1)
Sostituisce il contenuto con le copie di count ch charactor
Original:
Replaces the contents with count copies of charactor ch
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2)
Sostituisce il contenuto con una copia di str
Original:
Replaces the contents with a copy of str
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3)
Sostituisce il contenuto con un [pos, pos+count) sottostringa di str. Se la sottostringa richiesto dura oltre la fine della stringa, o se count == npos, la sottostringa risultante è [pos, size()). Se pos >= str.size(), std::out_of_range viene gettato.
Original:
Replaces the contents with a substring [pos, pos+count) of str. If the requested substring lasts past the end of the string, or if count == npos, the resulting substring is [pos, size()). If pos >= str.size(), std::out_of_range is thrown.
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4)
Sostituisce il contenuto con quelli della str usando la semantica spostamento. str è in stato indefinito dopo l'operazione.
Original:
Replaces the contents with those of str using move semantics. str is in undefined state after the operation.
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5)
Sostituisce il contenuto con i personaggi count primi stringa di caratteri puntato da s. s può contenere caratteri nulli.
Original:
Replaces the contents with the first count characters of character string pointed to by s. s can contain null characters.
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6)
Sostituisce il contenuto con quelli della stringa con terminazione null di caratteri puntata da s. La lunghezza della stringa è determinata dal carattere null prima.
Original:
Replaces the contents with those of null-terminated character string pointed to by s. The length of the string is determined by the first null character.
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7)
Sostituisce il contenuto con copie dei personaggi del [first, last) gamma
Original:
Replaces the contents with copies of the characters in the range [first, last)
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8)
Sostituisce il contenuto con quelli della lista di inizializzazione ilist.
Original:
Replaces the contents with those of the initializer list ilist.
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Indice

[modifica] Parametri

count -
dimensione della stringa risultante
Original:
size of the resulting string
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ch -
valore per inizializzare i caratteri della stringa con
Original:
value to initialize characters of the string with
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first, last -
gamma di copiare i personaggi
Original:
range to copy the characters from
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str -
stringa da utilizzare come sorgente per inizializzare i personaggi con
Original:
string to be used as source to initialize the characters with
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s -
puntatore a una stringa di caratteri use
come fonte per inizializzare la stringa con
Original:
pointer to a character string to use
as source to initialize the string with
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init -
inizializzatore lista per inizializzare i caratteri della stringa con
Original:
initializer list to initialize the characters of the string with
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Type requirements
-
InputIt must meet the requirements of InputIterator.

[modifica] Valore di ritorno

*this

[modifica] Complessità

1)
lineare in count
Original:
linear in count
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2)
lineare in dimensione str
Original:
linear in size of str
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3)
lineare in count
Original:
linear in count
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4)
costante. Se alloc è dato e alloc != other.get_allocator(), quindi lineare.
Original:
constant. If alloc is given and alloc != other.get_allocator(), then linear.
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5)
lineare in count
Original:
linear in count
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6)
lineare in dimensione s
Original:
linear in size of s
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7)
lineare di distanza tra first e last
Original:
linear in distance between first and last
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8)
lineare in dimensione init
Original:
linear in size of init
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[modifica] Esempio

This section is incomplete
Reason: no example

[modifica] Vedi anche

 costruisce una basic_string
(metodo pubblico) [modifica]
assegna valori ad una stringa
(metodo pubblico) [modifica]
Estratto da "https://it.cppreference.com/mwiki/index.php?title=cpp/string/basic_string/assign&oldid=26686"