std::is_trivially_move_constructible in C++ with Examples Last Updated : 15 Jul, 2025 Comments Improve Suggest changes Like Article Like Report The std::is_trivially_move_constructible template of C++ STL is present in the <type_traits> header file. The std::is_trivially_move_constructible template of C++ STL is used to check whether the T is trivially move constructibe or not. It return the boolean value true if T is trivially move constructible type, Otherwise return false. Header File: #include<type_traits> Template Class: template< class T > struct is_trivially_move_constructible; Syntax: std::is_trivially_move_constructible<T>::value Parameter: The template std::is_trivially_move_constructible accepts a single parameter T(Trait class) to check whether T is trivially move constructible type or not. Return Value: The template std::is_trivially_move_constructible returns a boolean variable as shown below: True: If the type T is a trivially move constructible. False: If the type T is not a trivially move constructible. Below is the program to demonstrate std::is_trivially_move_constructible in C++: Program 1: CPP // C++ program to demonstrate // std::is_trivially_move_constructible #include <iostream> #include <type_traits> using namespace std; // Declaration of classes class A { }; class B { B() {} }; enum class C : int { x, y, z }; class D { int v1; double v2; public: D(int n) : v1(n), v2() { } D(int n, double f) noexcept : v1(n), v2(f) {} }; int main() { cout << boolalpha; // Check if int is trivially // move constructible or not cout << "int: " << is_trivially_move_constructible<int>::value << endl; // Check if class A is trivially // move constructible or not cout << "class A: " << is_trivially_move_constructible<A>::value << endl; // Check if class B is trivially // move constructible or not cout << "class B: " << is_trivially_move_constructible<B>::value << endl; // Check if enum class C is trivially // move constructible or not cout << "enum class C: " << is_trivially_move_constructible<C>::value << endl; // Check if class D is trivially // move constructible or not std::cout << "class D: " << is_trivially_move_constructible<D>::value << endl; return 0; } Output: int: true class A: true class B: true enum class C: true class D: true Program 2: CPP // C++ program to demonstrate // std::is_trivially_move_constructible #include <iostream> #include <type_traits> using namespace std; // Declare structures struct Ex1 { Ex1() {} Ex1(Ex1&&) { cout << "Throwing move constructor!"; } Ex1(const Ex1&) { cout << "Throwing copy constructor!"; } }; struct Ex2 { Ex2() {} Ex2(Ex2&&) noexcept { cout << "Non-throwing move constructor!"; } Ex2(const Ex2&) noexcept { cout << "Non-throwing copy constructor!"; } }; // Driver Code int main() { cout << boolalpha; // Check if struct Ex1 is move // constructible or not cout << "Ex1 is move-constructible? " << is_move_constructible<Ex1>::value << '\n'; // Check if struct Ex1 is trivially // move constructible or not cout << "Ex1 is trivially move-constructible? " << is_trivially_move_constructible<Ex1>::value << '\n'; // Check if struct Ex2 is trivially // move constructible or not cout << "Ex2 is trivially move-constructible? " << is_trivially_move_constructible<Ex2>::value << '\n'; } Output: Ex1 is move-constructible? true Ex1 is trivially move-constructible? false Ex2 is trivially move-constructible? false Reference: https://cplusplus.com/reference/type_traits/is_trivially_move_constructible/ Comment More infoAdvertise with us Next Article Introduction to C++ Programming Language B bansal_rtk_ Follow Improve Article Tags : Misc C++ CPP-Functions Practice Tags : CPPMisc Similar Reads C++ Programming Language C++ is a computer programming language developed by Bjarne Stroustrup as an extension of the C language. 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Pointers in C++ Pointers in C++ are a 5 min read C++ PointersA pointer is a special variable that holds the memory address of another variable, rather than storing a direct value itself. Pointers allow programs to access and manipulate data in memory efficiently, making them a key feature for system-level programming and dynamic memory management. When we acc 8 min read Dangling, Void , Null and Wild Pointers in CIn C programming pointers are used to manipulate memory addresses, to store the address of some variable or memory location. But certain situations and characteristics related to pointers become challenging in terms of memory safety and program behavior these include Dangling (when pointing to deall 6 min read Applications of Pointers in CPointers in C are variables that are used to store the memory address of another variable. Pointers allow us to efficiently manage the memory and hence optimize our program. In this article, we will discuss some of the major applications of pointers in C. Prerequisite: Pointers in C. C Pointers Appl 4 min read Understanding nullptr in C++Consider the following C++ program that shows problem with NULL (need of nullptr) CPP // C++ program to demonstrate problem with NULL #include <bits/stdc++.h> using namespace std; // function with integer argument void fun(int N) { cout << "fun(int)"; return;} // Overloaded fun 3 min read References in C++In C++, a reference works as an alias for an existing variable, providing an alternative name for it and allowing you to work with the original data directly.Example:C++#include <iostream> using namespace std; int main() { int x = 10; // ref is a reference to x. int& ref = x; // printing v 5 min read Can References Refer to Invalid Location in C++?Reference Variables: You can create a second name for a variable in C++, which you can use to read or edit the original data contained in that variable. 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