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March 19, 2019 04:38
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cpp function dereferencing example
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| //basic passing by reference example using vectors (using &) | |
| //more info | |
| //https://www.geeksforgeeks.org/passing-by-pointer-vs-passing-by-reference-in-c/ | |
| #include <iostream> | |
| #include <vector> | |
| using namespace std; | |
| void temp( vector<string> * temp); | |
| int main() | |
| { | |
| vector<string> idVector; | |
| temp(&idVector); | |
| cout<<idVector[0] << endl; | |
| cout<<idVector[1]; | |
| return 0; | |
| } | |
| void temp( vector<string> * temp){ | |
| temp->push_back("hello"); //normally without pointers, temp.push_back("hello"), but arrow will dereference and accessing the member | |
| temp->push_back("bigboi"); | |
| } | |
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