Decltype in c++

Auto in cpp

#include<iostream>
#incllude<vector>
using namespace std;

int main() {
   vector<int> vec(10);       // Auto deduce type to be iterator of a vector of ints.
   for(auto it = vec.begin(); it != vec.end(); vec ++)
   {
      cin >> *it;
   }
   return 0;
}

Source: tutorialspoint.com

Decltype in c++

decltype is useful when declaring types that are difficult or impossible to declare using standard notation, like lambda-related types or types that depend on template parameters.

Source: en.cppreference.com

Similar codes

19 votes142 views1 answer
C++ writing to file
C++
1 vote126 views1 answer
Remove last index of the string in c++
C++
0 vote136 views1 answer
Has substr c++
C++
0 vote129 views1 answer
Mkdir boost filesystem
C++
0 vote142 views1 answer
Bitmap rotate 90 deg
C++
0 vote123 views1 answer
How to use mersenne_twister_engine in c++ to generate random numbers
C++
14 votes145 views1 answer
Array 2d dynamic allocation c++
C++
1 vote135 views1 answer
C++ power
C++
0 vote124 views1 answer
Floor and ceil in cpp
C++
1 vote154 views1 answer
C++ encapsulation
C++