Description : This method is used to know if a value already exists in a set. If the value exists in the set, it returns an iterator to it, otherwise it returns an iterator to set::end.
Example :
//Run Code To Demonstrate use of set.find()
#include <iostream>
#include <set>
int main() {
// Create a set object holding integers
std::set<int> mySet {1, 2, 3, 4, -5};
if (mySet.find(1) != mySet.end()) {
std::cout << "1 : is a element of mySet" << std::endl;
} else {
std::cout << "1 : is not an element of myset" << std::endl;
}
if (mySet.find(12) != mySet.end()) {
std::cout << "12 : is a element of mySet" << std::endl;
} else {
std::cout << "12 : is not an element of myset" << std::endl;
}
return 0;
}