C++20 Programming Language
Also, another advancement called C++20 came with simplified, readable codes, enhancing its capability as a language again in 2020 so as to make it fast.
Key Features
1. Concepts
Concepts became more expressive and easier to use in C++20 via concepts feature that allows developers to impose constraints on their template parameters.
template<typename T>
concept Integral = std::is_integral_v<T>;
template<Integral T>
void print(T value) {
std::cout << value << '\n';
}
2. Ranges Library
The Ranges Library is a set of programs which consist of views, algorithms, or adaptors meant for making such boring tasks as range transformation or iteration simple.
std::vector<int> numbers{1, 2, 3, 4, 5};
auto evenNumbers = numbers | std::views::filter([](int x) { return x % 2 == 0; });
3. Coroutines
The support of coroutines in C++20 enables developers to write asynchronous code naturally with the help of co_await and co_yield keywords.
generator<int> fibonacci() {
int a = 0, b = 1;
while (true) {
co_yield a;
std::tie(a, b) = std::make_tuple(b, a + b);
}
}
4. Modules
In C++20, there is another way code can be organized and encapsulated: modules build faster, manage dependencies better, and offer stronger encapsulation compared to traditional header files.
export module mymodule;
export int add(int a, int b) {
return a + b;
}
The Key Differences Between C++14, C++17, and C++20
This language has come a long way and overcome numerous challenges in software engineering, for example, those stemming from its changing nature; thus reasserting its resilience and flexibility. Stroustrup originally developed C++ as an extension of C programming language during the late 1970s to ensure efficiency and low-level control while being more abstract.
These functions have introduced new features, improved performance, and optimizations in various iterations. Such iterations are necessary to keep abreast with the times and tackle emerging requirements and issues regarding contemporary software development