std::vector clear | std::vector<T,Allocator>::clear

Keyword	CPC	PCC	Volume	Score	Length of keyword
std::vector clear	1.68	0.7	8463	25	17
std::vector	1.18	0.3	9598	57	11
clear	1.2	1	6855	64	5

Keyword	CPC	PCC	Volume	Score
std::vector clear	1.07	0.7	4304	3
std::vector clear swap	1.55	1	9960	44
std::vector clear resize	1.88	0.4	8225	2
std::vector clear reserve	0.36	0.3	1235	91
std::vector clear shrink_to_fit	0.8	0.8	1401	22
c++ std::vector clear	1.58	0.7	6458	89

Search Results related to std::vector clear on Search Engine

std::vector<T,Allocator>::clear - cppreference.com
cppreference.com

https://en.cppreference.com/w/cpp/container/vector/clear

WEBAug 10, 2020 · std::vector<T,Allocator>:: clear. Erases all elements from the container. After this call, size () returns zero. Invalidates any references, pointers, and iterators referring to contained elements. Any past-the-end iterators are also invalidated. Leaves the capacity () of the vector unchanged (Note: the standard's restriction on the changes to ...

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std::vector - cppreference.com
cppreference.com

https://en.cppreference.com/w/cpp/container/vector

WEBNov 13, 2023 · Insertion or removal of elements - linear in the distance to the end of the vector 𝓞(n). std::vector (for T other than bool) meets the requirements of Container, AllocatorAwareContainer (since C++11), SequenceContainer, ContiguousContainer (since C++17) and ReversibleContainer.

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::clear - cplusplus.com - The C++ Resources Network
cplusplus.com

https://cplusplus.com/reference/vector/vector/clear/

WEB<vector> std:: vector ::clear. C++98. C++11. void clear(); Clear content. Removes all elements from the vector (which are destroyed), leaving the container with a size of 0. A reallocation is not guaranteed to happen, and the vector capacity is not guaranteed to change due to calling this function.

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vector erase() and clear() in C++ - GeeksforGeeks
geeksforgeeks.org

https://www.geeksforgeeks.org/vector-erase-and-clear-in-cpp/

WEBOct 9, 2023 · 11:00. vector_name.clear() Parameters: No parameters are passed. Result: All the elements of the vector are removed (or destroyed). Example: Input: myvector= {1, 2, 3, 4, 5}; myvector.clear(); Output: myvector= {} C++. #include <iostream> #include <vector> using namespace std; int main() { vector<int> myvector; myvector.push_back(1);

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c++11 - C++ std::vector clear all elements - Stack Overflow
stackoverflow.com

https://stackoverflow.com/questions/45814271/c-stdvector-clear-all-elements

WEBAug 22, 2017 · 13. vec.clear() clears all elements from the vector, leaving you with a guarantee of vec.size() == 0. vec = std::vector<int>() calls the copy/move (Since C++11) assignment operator , this replaces the contents of vec with that of other. other in this case is a newly constructed empty vector<int> which means that it's the same effect as vec ...

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Does std::vector.clear() do delete (free memory) on each element?
stackoverflow.com

https://stackoverflow.com/questions/594089/does-stdvector-clear-do-delete-free-memory-on-each-element

WEBstd::vector does call the destructor of every element it contains when clear() is called. In your particular case, it destroys the pointer but the objects remain. Smart pointers are the right way to go, but be careful. auto_ptr cannot be used in …

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std::vector::clear - cppreference.com
uchicago.edu

http://naipc.uchicago.edu/2015/ref/cppreference/en/cpp/container/vector/clear.html

WEBC++. Containers library. std::vector. void clear(); Removes all elements from the container. The allocated memory will not be released, effectively leaving the capacity of the vector unchanged. The past-the-end iterators are not invalidated. Parameters. (none) Return value. (none) Exceptions. noexcept specification: (since C++11) Complexity.

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vector<...>::clear() method | C++ Programming Language
cpp-lang.net

https://cpp-lang.net/docs/std/containers/arrays/vector/clear/

WEBContainers. Arrays. vector. clear ( ) std::vector clear () method. since C++20. since C++11. until C++11. // Non const version only. constexpr void clear() noexcept; Erases all elements from the container. After this call, size() returns zero. Leaves the capacity() of the vector unchanged. note.

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std::vector<T,Allocator>::clear - C++ - API Reference Document
apiref.com

https://www.apiref.com/cpp/cpp/container/vector/clear.html

WEBclear. C++. Containers library. std::vector. Erases all elements from the container. After this call, size () returns zero. Invalidates any references, pointers, or iterators referring to contained elements. Any past-the-end iterators are also invalidated.

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Std::vector::clear - C++ - W3cubDocs
w3cub.com

https://docs.w3cub.com/cpp/container/vector/clear.html

WEBParameters. (none). Return value. (none). Complexity. Linear in the size of the container, i.e., the number of elements. Defect reports. The following behavior-changing defect reports were applied retroactively to previously published C++ standards.

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