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

0 vote311 views1 answer
If(arr[i]==k) return arr[i];
C++
1 vote280 views10 answers
Js
C++
2 votes278 views1 answer
C++ get filename from path
C++
0 vote292 views1 answer
Max element in an array with the index in c++
C++
0 vote292 views1 answer
C++ watch a variable
C++
0 vote262 views1 answer
Modulo subtraction
C++
0 vote315 views1 answer
Prisma client
C++
1 vote293 views2 answers
C++ display numbers as binary
C++
0 vote329 views1 answer
C++ functions dynamic vector
C++
0 vote263 views3 answers
C++ Dynamic allocation failing
C++