Transforming Types
remove_const, decay, and more.
Type Transformations
Besides querying, <type_traits> can produce new types from old ones. These traits expose a member type ::type, with a _t shortcut in C++14+.
remove_const
std::remove_const_t<const int> yields int. Useful when you need a mutable version of a type.
#include <iostream>
#include <type_traits>
int main() {
using T = std::remove_const_t<const int>;
std::cout << std::is_same_v<T, int> << "\n";
return 0;
}All lessons in this course
- Querying Types
- Transforming Types
- Conditional Logic
- Writing Custom Traits