Namespace
Varianti

std::set::begin, std::set::cbegin

Da cppreference.com.
< cpp‎ | container‎ | set

[edit template]
 
C++
 
Contenitori libreria
 
std::set
Membri funzioni
Original:
Member functions
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set::set
set::~set
set::operator=
set::get_allocator
Iteratori
Original:
Iterators
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set::begin
set::cbegin
(C++11)
set::end
set::cend
(C++11)
set::rbegin
set::crbegin
(C++11)
set::rend
set::crend
(C++11)
Capacità
Original:
Capacity
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set::empty
set::size
set::max_size
Modificatori
Original:
Modifiers
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set::clear
set::insert
set::emplace(C++11)
set::emplace_hint(C++11)
set::erase
set::swap
Lookup
Original:
Lookup
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set::count
set::find
set::equal_range
set::lower_bound
set::upper_bound
Osservatori
Original:
Observers
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set::key_comp
set::value_comp
 
iterator begin();
 (fino al c++11)
iterator begin() noexcept;
 (dal C++11)
const_iterator begin() const;
 (fino al c++11)
const_iterator begin() const noexcept;
 (dal C++11)
const_iterator cbegin() const noexcept;

Restituisce un iteratore al primo elemento del container.

Se il container è vuoto, l'iteratore restituito sarà uguale a end().

range-begin-end.svg

Indice

[modifica] Parametri

(nessuno)

[modifica] Valore restituito

Iteratore al primo elemento

[modifica] Complessità

Costante Template:cpp/container/constant iterator note

[modifica] Example

#include <set>
#include <iostream>
 
int main() {
  std::set<int> set = { 6, 1, 3, 4, 2, 5 };
  for (auto it = set.begin(); it != set.end(); ++it)
    std::cout << *it << "\n";
}

Possible output: 

1
2
3
4
5
6

[modifica] Vedi anche
restituisce un iteratore fino alla fine
Original:
returns an iterator to the end
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(metodo pubblico) [modifica]
Estratto da "https://it.cppreference.com/mwiki/index.php?title=cpp/container/set/begin&oldid=25337"