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Returns the maximum number of buckets that the unordered_set container can have.
This is the maximum potential number of buckets the container can have due to system constraints or limitations on its library implementation.
Member type size_type is an unsigned integral type.
Possible output:
Reference
C library:
- <cassert> (assert.h)
- <cctype> (ctype.h)
- <cerrno> (errno.h)
-
<cfenv> (fenv.h)C++11
- <cfloat> (float.h)
-
<cinttypes> (inttypes.h)C++11
- <ciso646> (iso646.h)
- <climits> (limits.h)
- <clocale> (locale.h)
- <cmath> (math.h)
- <csetjmp> (setjmp.h)
- <csignal> (signal.h)
- <cstdarg> (stdarg.h)
-
<cstdbool> (stdbool.h)C++11
- <cstddef> (stddef.h)
-
<cstdint> (stdint.h)C++11
- <cstdio> (stdio.h)
- <cstdlib> (stdlib.h)
- <cstring> (string.h)
-
<ctgmath> (tgmath.h)C++11
- <ctime> (time.h)
-
<cuchar> (uchar.h)C++11
- <cwchar> (wchar.h)
- <cwctype> (wctype.h)
Containers:
-
<array>C++11
- <deque>
-
<forward_list>C++11
- <list>
- <map>
- <queue>
- <set>
- <stack>
-
<unordered_map>C++11
-
<unordered_set>C++11
- <vector>
-
Input/Output:
Multi-threading:
-
<atomic>C++11
-
<condition_variable>C++11
-
<future>C++11
-
<mutex>C++11
-
<thread>C++11
-
Other:
- <algorithm>
- <bitset>
-
<chrono>C++11
-
<codecvt>C++11
- <complex>
- <exception>
- <functional>
-
<initializer_list>C++11
- <iterator>
- <limits>
- <locale>
- <memory>
- <new>
- <numeric>
-
<random>C++11
-
<ratio>C++11
-
<regex>C++11
- <stdexcept>
- <string>
-
<system_error>C++11
-
<tuple>C++11
-
<type_traits>C++11
-
<typeindex>C++11
- <typeinfo>
- <utility>
- <valarray>
<unordered_set>
-
unordered_multisetC++11
-
unordered_setC++11
unordered_set
-
unordered_set::~unordered_setC++11
-
unordered_set::unordered_setC++11
member functions
-
unordered_set::beginC++11
-
unordered_set::bucketC++11
-
unordered_set::bucket_countC++11
-
unordered_set::bucket_sizeC++11
-
unordered_set::cbeginC++11
-
unordered_set::cendC++11
-
unordered_set::clearC++11
-
unordered_set::countC++11
-
unordered_set::emplaceC++11
-
unordered_set::emplace_hintC++11
-
unordered_set::emptyC++11
-
unordered_set::endC++11
-
unordered_set::equal_rangeC++11
-
unordered_set::eraseC++11
-
unordered_set::findC++11
-
unordered_set::get_allocatorC++11
-
unordered_set::hash_functionC++11
-
unordered_set::insertC++11
-
unordered_set::key_eqC++11
-
unordered_set::load_factorC++11
-
unordered_set::max_bucket_countC++11
-
unordered_set::max_load_factorC++11
-
unordered_set::max_sizeC++11
-
unordered_set::operator=C++11
-
unordered_set::rehashC++11
-
unordered_set::reserveC++11
-
unordered_set::sizeC++11
-
unordered_set::swapC++11
-
non-member overloads
-
operators (unordered_set)C++11
-
swap (unordered_set)C++11
-
- Reference
- <unordered_set>
- unordered_set
- max_bucket_count
public member function
<unordered_set>
std::unordered_set::max_bucket_count
size_type max_bucket_count() const noexcept;
Return maximum number of buckets
This is the maximum potential number of buckets the container can have due to system constraints or limitations on its library implementation.
Parameters
noneReturn Value
The maximum number of buckets.Member type size_type is an unsigned integral type.
Example
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Possible output:
max_size = 536870911 max_bucket_count = 536870911 max_load_factor = 1 |
Complexity
Constant.Iterator validity
No changes.See also
- unordered_set::max_size
- Return maximum size (public member function)
- unordered_set::max_load_factor
- Get or set maximum load factor (public member function)
- unordered_set::bucket_count
- Return number of buckets (public member function)
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Spotted an error? contact us