C++ 2017

Mandates copy elision for prvalues, making certain moves/constructors unnecessary even conceptually.

Type-erased container for any copyable type.

The release coincided with major updates to development environments. (v14.1), released in March 2017, was one of the first major compilers to provide robust support for these features [0.33]. It also introduced a shared redistributable model, where the Visual C++ 2017 redistributable is compatible with binaries built for 2015 and 2019, simplifying deployment for Windows developers. Why It Matters Today

void print(std::string_view sv) std::cout << sv; c++ 2017

You can now declare a variable inside the condition of an if or switch statement. This limits the scope of the variable, preventing namespace pollution.

: Reports highlighted Jason Turner’s "Practical C++17," where he applied new features to the ChaiScript codebase, and Jonathan Boccara’s talk on "Strong Types," which advocated for more expressive interfaces to prevent logic errors.

C++17 serves as the baseline for many production systems today, especially those waiting for full C++20 adoption. This limits the scope of the variable, preventing

Most common C++ pitfalls for beginners. * Best practices for C++ memory management. * Top C++ libraries for game development. * Ho... Reddit Visual C++ Redistributable 2017 has discontinued reporting the ... 2017 Redistributable package is breaking existing softwares that depend on it, by completely deleting a registry entry which is cr... Visual Studio Developer Community C++ - Standards - open-std The ISO/IEC 14882:2017 5th edition was published 2017-12. A draft for the 2017 edition is available in N4659. Technical Report on ... open-std C++ Status at the end of 2017 Dec 31, 2017 —

| Feature | C++14 | C++17 | C++20 | |---------|-------|-------|-------| | Generic lambdas | ✔ | ✔ | ✔ | | auto return type | ✔ | ✔ | ✔ | | Structured bindings | ✘ | ✔ | ✔ | | if constexpr | ✘ | ✔ | ✔ | | std::optional | ✘ | ✔ | ✔ | | Concepts | ✘ | ✘ | ✔ | | Coroutines | ✘ | ✘ | ✔ | | Ranges | ✘ | ✘ | ✔ |

std::optional<int> parse_int(const std::string& s) try return std::stoi(s); catch(...) return std::nullopt; parse_int(const std::string& s) try return std::stoi(s)

g++ -std=c++17 program.cpp clang++ -std=c++17 program.cpp cl /std:c++17 program.cpp # MSVC

std::map<std::string, int> myMap; myMap["apple"] = 5;