C++17 — The Pragmatic

Year: 2017 · Concepts: 97 (19 core + 78 STL)

C++17 focused on practical improvements to everyday programming — reducing boilerplate, adding powerful vocabulary types, and enabling safer, more expressive code.

Sections

• Core Language (19 concepts) — Structured bindings, if constexpr, class template argument deduction, fold expressions, if/switch initializers.
• STL & Library (78 concepts) — std::optional, std::variant, std::any, std::string_view, parallel algorithms, std::filesystem.

Key Features

• Structured bindings — auto [x, y] = pair;
• if constexpr — compile-time branching
• Class template argument deduction (CTAD) — std::vector v{1, 2, 3};
• Fold expressions — variadic template expansion
• std::optional<T> — nullable value type
• std::variant<T...> — type-safe union
• std::string_view — non-owning string reference
• std::filesystem — portable file system operations
• Parallel STL — std::execution::par policies

Navigation

Section	Concepts	Link
Core Language	19	Browse →
STL & Library	78	Browse →