IODC++14 元编程增强库
IOD 库通过一个基于符号的图表增强了 C++14 元编程特性。提供一个编译时的方法来检视对象并生成匹配对象结构的代码。
支持的编译器：
-
GCC 4.9
-
Clang 3.4
示例代码：
// Define an object
auto o = D(_Name = "John", _Age = 42, _City = "NYC");
// Direct access to its members.
assert(o.name == "John" && o.age == 42 && o.city == "NYC");
// Static Introspection. It has no execution cost since these function
// are computed at compile time.
assert(o.has(_Name) == true);
assert(o.has(_FirstName) == false);
assert(o.has(_FirstName) == false);
assert(o.size() == 3);
// Output the structure of the object to std::cout:
// name:John
// age:42
// city:NYC
foreach(o) | [] (auto& m) { std::cout << m.symbol().name() << ":"
<< m.value() << std::end; }评论