在C/C++中,对象就是堆(Heap)内存中的内存实体,从简单的基本数据类型(int,float,char)到聚合的数据类型(struct)一切皆为对象,我们说基本的数据类型是简单的对象(Simple Object),因为它仅包含数据属性。而struct级别的数据类型是完整的对象(Concrete Object),因为完整的对象具有属性和行为两个基本概念。 属性就是结构...
} static struct PyMethodDefmethods[] = { {"hello_world", (PyCFunction) _hello_wrold, METH_NOARGS}, {"hello", (PyCFunction) _hello, METH_VARARGS}, {NULL, NULL} }; static struct PyModuleDef module = { PyModuleDef_HEAD_INIT, "_hello", NULL, -1, methods }; PyMODINIT_FUNC PyInit_...
// Ignored methods stay ignored return m->imp; } // 替换方法的实现指针 IMP old = _method_getImplementation(m); m->imp = imp; // No cache flushing needed - cache contains Methods not IMPs. if (vtable_containsSelector(newmethod(m)->name)) { // Will be slow if cls is NULL (i....
boost.PFR是一个动态运行时反射机制的库,和c++的反射一样,仍然是比较弱小的,但还是在一些情况下可以起到不错的效果: structEx{ chara; floatb; }; voidgetVar(){ Ex var{}; boost::pfr::get<1>(var) =1.2; std::cout<< var.b <<std::endl; } //获得属性数量 structEx{ inta; intb; intc; ...
struct SortBySELAddress : public std::binary_function<const method_t&, const method_t&, bool> { bool operator() (const method_t& lhs, const method_t& rhs) { return lhs.name < rhs.name; } }; }; 我们所说的类的方法列表中,就是存储的method_t类型。
magic_get - std::tuple like methods for user defined types without any macro or boilerplate code. [Boost] meta - Header-only, non-intrusive and macro-free runtime reflection system in C++. [MIT] Nameof - Header-only C++17 library provides nameof macros and functions to obtain the simple ...
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{' 作为开始,'}' 作为结束 * 需要排除if for while do 等的大括号 * * @param fileContent */ private static void getMethods(List<String> fileContent) { boolean isInMethod = false; boolean isInOther = false; String methodName = null; for (String line : fileContent) { if (isInMethod) {...
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typedef struct objc_selector *SEL; 其实它就是个映射到方法的C字符串,你可以用OC编译器命令@selector()或者Runtime系统的sel_registerName函数来获得一个SEL类型的方法选择器。 不同类中相同名字的方法所对应的方法选择器是相同的,即使方法名字相同而变量类型不同也会导致它们具有相同的方法选择器,于是OC中方法...