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Embedded Programming with Modern C++

- Example

Explore the concepts of rvalue and lvalue references in Modern C++ to enhance your skills in efficient resource and memory management. This lesson introduces basic examples and prepares you to understand copy versus move semantics for optimizing embedded systems programming.

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Example

C++
// rvalueReference.cpp
#include <algorithm>
#include <iostream>
#include <string>
struct MyData{};
std::string function( const MyData & ) {
    return "lvalue reference";
}
std::string function( MyData && ) {
    return "rvalue reference";
}
int main(){
  std::cout << std::endl;
  MyData myData;
  std::cout << "function(myData): " << function(myData) << std::endl;
  std::cout << "function(MyData()): " << function(MyData()) << std::endl;
  std::cout << "function(std::move(myData)): " << function(std::move(myData)) << std::endl;
  std::cout << std::endl;
}

Explanation

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