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cpp/string/basic string/operator cmp: differenze tra le versioni

Da cppreference.com.
< cpp‎ | string‎ | basic string
m (r2.7.3) (Bot: Aggiungo de, en, fr; tolgo it)
m (Use {{lc}}. Update links. Various fixes.)
 
Riga 2: Riga 2:
 
{{title | 1=operator==,!=,<,<=,>,>=<small>(std::basic_string)</small>}}
 
{{title | 1=operator==,!=,<,<=,>,>=<small>(std::basic_string)</small>}}
 
{{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 | 1=
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{{| num=1 | 1=
 
template< class T, class Alloc >
 
template< class T, class Alloc >
 
bool operator==( basic_string<T,Alloc>& lhs, basic_string<T,Alloc>& rhs );
 
bool operator==( basic_string<T,Alloc>& lhs, basic_string<T,Alloc>& rhs );
 
}}
 
}}
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{{ddcl list item | num=2 | 1=
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{{| num=2 | 1=
 
template< class T, class Alloc >
 
template< class T, class Alloc >
 
bool operator!=( basic_string<T,Alloc>& lhs, basic_string<T,Alloc>& rhs );
 
bool operator!=( basic_string<T,Alloc>& lhs, basic_string<T,Alloc>& rhs );
 
}}
 
}}
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{{ddcl list item | num=3 | 1=
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{{| num=3 | 1=
 
template< class T, class Alloc >
 
template< class T, class Alloc >
 
bool operator<( basic_string<T,Alloc>& lhs, basic_string<T,Alloc>& rhs );
 
bool operator<( basic_string<T,Alloc>& lhs, basic_string<T,Alloc>& rhs );
 
}}
 
}}
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{{ddcl list item | num=4 | 1=
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{{| num=4 | 1=
 
template< class T, class Alloc >
 
template< class T, class Alloc >
 
bool operator<=( basic_string<T,Alloc>& lhs, basic_string<T,Alloc>& rhs );
 
bool operator<=( basic_string<T,Alloc>& lhs, basic_string<T,Alloc>& rhs );
 
}}
 
}}
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{{ddcl list item | num=5 | 1=
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{{| num=5 | 1=
 
template< class T, class Alloc >
 
template< class T, class Alloc >
 
bool operator>( basic_string<T,Alloc>& lhs, basic_string<T,Alloc>& rhs );
 
bool operator>( basic_string<T,Alloc>& lhs, basic_string<T,Alloc>& rhs );
 
}}
 
}}
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{{ddcl list item | num=6 | 1=
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{{| num=6 | 1=
 
template< class T, class Alloc >
 
template< class T, class Alloc >
 
bool operator>=( basic_string<T,Alloc>& lhs, basic_string<T,Alloc>& rhs );
 
bool operator>=( basic_string<T,Alloc>& lhs, basic_string<T,Alloc>& rhs );
 
}}
 
}}
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{{ddcl list end}}
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{{end}}
  
 
{{tr|Confronta il contenuto di due stringhe.|Compares the contents of two strings.}}
 
{{tr|Confronta il contenuto di due stringhe.|Compares the contents of two strings.}}
Riga 33: Riga 33:
 
1-2) {{tr|Verifica se il contenuto di {{tt|lhs}} e {{tt|rhs}} sono uguali, cioè {{c|1=lhs.size() == rhs.size()}} e ogni carattere {{tt|lhs}} ha carattere equivalente in {{tt|rhs}} nella stessa posizione.|Checks if the contents of {{tt|lhs}} and {{tt|rhs}} are equal, that is, {{c|1=lhs.size() == rhs.size()}} and each character in {{tt|lhs}} has equivalent character in {{tt|rhs}} at the same position.}}
 
1-2) {{tr|Verifica se il contenuto di {{tt|lhs}} e {{tt|rhs}} sono uguali, cioè {{c|1=lhs.size() == rhs.size()}} e ogni carattere {{tt|lhs}} ha carattere equivalente in {{tt|rhs}} nella stessa posizione.|Checks if the contents of {{tt|lhs}} and {{tt|rhs}} are equal, that is, {{c|1=lhs.size() == rhs.size()}} and each character in {{tt|lhs}} has equivalent character in {{tt|rhs}} at the same position.}}
  
−
3-6) {{tr|Confronta i contenuti di {{tt|lhs}} e {{tt|rhs}} lessicografico. Il confronto viene eseguito da una funzione equivalente a {{c|std::lexicographical_compare}}.|Compares the contents of {{tt|lhs}} and {{tt|rhs}} lexicographically. The comparison is performed by a function equivalent to {{c|std::lexicographical_compare}}.}}
+
3-6) {{tr|Confronta i contenuti di {{tt|lhs}} e {{tt|rhs}} lessicografico. Il confronto viene eseguito da una funzione equivalente a {{|std::lexicographical_compare}}.|Compares the contents of {{tt|lhs}} and {{tt|rhs}} lexicographically. The comparison is performed by a function equivalent to {{|std::lexicographical_compare}}.}}
  
 
===Parametri===
 
===Parametri===
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{{param list begin}}
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{{begin}}
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{{param list item | lhs, rhs |{{tr| stringhe il cui contenuto di confrontare| strings whose contents to compare}}}}
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{{| lhs, rhs |{{tr| stringhe il cui contenuto di confrontare| strings whose contents to compare}}}}
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{{param list end}}  
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{{end}}  
  
 
===Valore di ritorno===
 
===Valore di ritorno===

Versione attuale delle 15:10, 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)
 
template< class T, class Alloc >
bool operator==( basic_string<T,Alloc>& lhs, basic_string<T,Alloc>& rhs );
 (1)
template< class T, class Alloc >
bool operator!=( basic_string<T,Alloc>& lhs, basic_string<T,Alloc>& rhs );
 (2)
template< class T, class Alloc >
bool operator<( basic_string<T,Alloc>& lhs, basic_string<T,Alloc>& rhs );
 (3)
template< class T, class Alloc >
bool operator<=( basic_string<T,Alloc>& lhs, basic_string<T,Alloc>& rhs );
 (4)
template< class T, class Alloc >
bool operator>( basic_string<T,Alloc>& lhs, basic_string<T,Alloc>& rhs );
 (5)
template< class T, class Alloc >
bool operator>=( basic_string<T,Alloc>& lhs, basic_string<T,Alloc>& rhs );
 (6)
Confronta il contenuto di due stringhe.
Original:
Compares the contents of two strings.
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1-2)
Verifica se il contenuto di lhs e rhs sono uguali, cioè lhs.size() == rhs.size() e ogni carattere lhs ha carattere equivalente in rhs nella stessa posizione.
Original:
Checks if the contents of lhs and rhs are equal, that is, lhs.size() == rhs.size() and each character in lhs has equivalent character in rhs at the same position.
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3-6)
Confronta i contenuti di lhs e rhs lessicografico. Il confronto viene eseguito da una funzione equivalente a std::lexicographical_compare.
Original:
Compares the contents of lhs and rhs lexicographically. The comparison is performed by a function equivalent to std::lexicographical_compare.
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[modifica] Parametri

lhs, rhs -
stringhe il cui contenuto di confrontare
Original:
strings whose contents to compare
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[modifica] Valore di ritorno

1)
true se il contenuto delle stringhe sono equivalenti, false altrimenti
Original:
true if the contents of the strings are equivalent, false otherwise
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2)
true se il contenuto delle stringhe non sono equivalenti, false altrimenti
Original:
true if the contents of the strings are not equivalent, false otherwise
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3)
true se il contenuto del lhs sono lessicograficamente' meno rispetto ai contenuti di rhs, false altrimenti
Original:
true if the contents of the lhs are lexicographically less than the contents of rhs, false otherwise
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4)
true se il contenuto del lhs sono lessicograficamente' meno di o uguale' il contenuto di rhs, false altrimenti
Original:
true if the contents of the lhs are lexicographically less than or equal the contents of rhs, false otherwise
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5)
true se il contenuto del lhs sono lessicograficamente' maggiore rispetto ai contenuti di rhs, false altrimenti
Original:
true if the contents of the lhs are lexicographically greater than the contents of rhs, false otherwise
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6)
true se il contenuto del lhs sono lessicograficamente' maggiore di o uguale' il contenuto di rhs, false altrimenti
Original:
true if the contents of the lhs are lexicographically greater than or equal the contents of rhs, false otherwise
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[modifica] Complessità

Lineare nella dimensione delle corde.
Original:
Linear in the size of the strings.
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Estratto da "https://it.cppreference.com/mwiki/index.php?title=cpp/string/basic_string/operator_cmp&oldid=26714"