C++ ~set destructor30 Aug 2024 | 1 min read C++ set destructor is used to destroy all the elements of set container and deallocate all the storage memory allocated by the set container. SyntaxParameterNone Return valueNone ComplexityLinear in set::size (destructors). Iterator validityAll iterators, references and pointers are invalidated. Data RacesThe container set and all its elements are modified. Exception SafetyThis function never throws exceptions. Next TopicSet operator=() Function |
C++ set clear() C++ is used to remove all the elements of the set container. It clears the set and converts its size to 0. Syntax void clear(); //until C++ 11 void...
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C++ There are following five uses of : default constructor: This is used to construct an empty set container with zero elements. range constructor: This is used to construct a container with the contents of range [first, last). copy constructor: This is used to construct a set with a...
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C++ set crend() C++ is used to return a constant iterator to the end of the set (not the last element but the past last element) in reverse order. This is similar to the element preceding the first element of the non-reversed container. Note:- This is a...
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C++ set lower_bound() C++ is used to return an iterator pointing to the key in the set container which is equivalent to val passed in the parameter. If val is not present in the set container, it returns an iterator pointing to the immediate element...
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C++ set value_comp() C++ returns a comparison object. This function is used to compare two elements to check whether the key of the first one goes before the second. It takes two arguments of the same type and returns true if the first argument precedes the second...
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C++ set get_allocator() C++ is used to return the copy of allocator object which helps to construct the set container. Syntax allocator_type get_allocator() const; //until C++ 11 allocator_type get_allocator() const noexcept; //since C++ 11 Parameter None Return value Returns an allocator associated...
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C++ STL Set Introduction to set Sets are part of the C++ STL (Standard Template Library). Sets are the associative containers that stores sorted key, in which each key is unique and it can be inserted or deleted but cannot be altered. Syntax template < class T, ...
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C++ set rend() C++ is used to return an iterator to the end of the set (not the last element but the past last element) in reverse order. This is similar to the element preceding the first element of the non-reversed container. Note:- This is a...
4 min read
C++ set find() C++ is used to find an element with the given value val. If it finds the element then it returns an iterator pointing to the element otherwise, it returns an iterator pointing to the end of the set i.e. set::end(). Syntax ...
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C++ set cbegin() C++ is used to return a constant iterator pointing to the first element of the set container. Syntax const_iterator cbegin() const noexcept; //since C++ 11 A const_iterator is an iterator that points to constant content. Parameter None Return value It returns a const_iterator pointing to the first...
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