{
    "api": "YAML JSON TOON Database",
    "version": "1.0.0",
    "format": "json",
    "dataset": {
        "id": 49,
        "slug": "cpp-modern-features",
        "title": "Modern C++ Features (C++11 through C++23)",
        "description": "Modern C++ features from C++11 to C++23: smart pointers, move semantics, lambdas, concepts, ranges, coroutines, and modules.",
        "category": "Programming Languages",
        "category_slug": "programming-languages",
        "tags": "cpp,c++,modern-cpp,smart-pointers,lambdas,concepts,ranges,coroutines",
        "view_count": 0,
        "created_at": 1778695229,
        "updated_at": 1778695229
    },
    "data": {
        "features": [
            {"name": "Smart Pointers", "standard": "C++11", "description": "Automatic memory management: unique_ptr (exclusive ownership), shared_ptr (reference counting), weak_ptr (non-owning observer)", "example": "auto ptr = std::make_unique<Foo>();"},
            {"name": "Move Semantics", "standard": "C++11", "description": "Transfer resources instead of copying: rvalue references (&&), std::move, move constructors/assignment operators", "example": "std::vector<int> v2 = std::move(v1);"},
            {"name": "Lambda Expressions", "standard": "C++11", "description": "Anonymous functions with capture lists, mutable lambdas, generic lambdas (auto params in C++14)", "example": "auto add = [capture](int x) { return x + offset; };"},
            {"name": "auto Type Deduction", "standard": "C++11", "description": "Compiler deduces type from initializer expression, reduces verbosity", "example": "auto it = map.find(key); auto [key, val] = *it;"},
            {"name": "constexpr", "standard": "C++11/14/17", "description": "Compile-time evaluation: C++11 (limited), C++14 (loops/branches), C++17 (if constexpr)", "example": "constexpr int factorial(int n) { return n <= 1 ? 1 : n * factorial(n-1); }"},
            {"name": "Range-based for", "standard": "C++11", "description": "Simplified iteration over containers and initializer lists", "example": "for (const auto& item : container) { /* ... */ }"},
            {"name": "Structured Bindings", "standard": "C++17", "description": "Decompose tuples, pairs, and structs into named variables", "example": "auto [name, age] = getPerson();"},
            {"name": "std::optional", "standard": "C++17", "description": "Type-safe alternative to nullable pointers, represents optional values", "example": "std::optional<std::string> findUser(int id);"},
            {"name": "Concepts", "standard": "C++20", "description": "Named compile-time constraints on template parameters, better error messages", "example": "template<std::integral T> T add(T a, T b) { return a + b; }"},
            {"name": "Ranges", "standard": "C++20", "description": "Composable algorithms operating on ranges: views (lazy), actions (eager), pipe operator", "example": "auto evens = numbers | std::views::filter([](int n){ return n%2==0; }) | std::views::take(10);"},
            {"name": "Coroutines", "standard": "C++20", "description": "Functions that can suspend and resume: co_await, co_yield, co_return", "example": "Generator<int> fib() { co_yield 0; co_yield 1; /* ... */ }"},
            {"name": "Modules", "standard": "C++20", "description": "Replace #include with import/export for faster compilation and better encapsulation", "example": "import std; export module mylib;"}
        ]
    }
}