In Visual Studio 2002 and Visual Studio 2003, a standard enum used as the type in a function parameter: C++ // mcppv2_enum.cpp// compile with: /clrenumE { a, b };voidf(E){System::Console::WriteLine("hi");}intmain(){ E myi = b; f(myi); } ...
// mcppv2_enum.cpp // compile with: /clr enum E { a, b }; void f(E) {System::Console::WriteLine("hi");} int main() { E myi = b; f(myi); } would emit the following in MSIL for the function signature: 複製 void f(int32); However, in current versions of the compi...
Introduced in C++20, a using enum statement imports all of the enumerators from an enum into the current scope. When used with an enum class type, this allows us to access the enum class enumerators without having to prefix each with the name of the enum class. This can be useful in ca...
下面是一个简单的例子 //example2.cpp#include<iostream>usingnamespacestd;structstudent {charname[6];intage;char* GetName(void){returnname;};intGetAge(void){returnage;}; }; union score {inti_sc;floatf_sc;intGetInt(void){returni_sc;};floatGetFloat(void){returnf_sc;}; };intmain(void)...
https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#enum7-specify-the-underlying-type-of-an-enumeration-only-when-necessary 觉得本文有帮助?请分享给更多人。 关注【面向对象思考】轻松学习每一天! 面向对象开发,面向对象思考!
A C/C++ enum [N4140 7.2]. For example, the types MyEnum and MyScopedEnum in: enum MyEnum { MyEnumConstant }; enum class MyScopedEnum { MyScopedEnumConstant }; This includes C++ scoped enums, see the ScopedEnum QL class.Import path import cpp ...
typedefa specialization of this class. Use thetypedefas the template argument in a specialization ofCComObject. Create an instance of theCComObjectspecialization. Initialize the enumerator object by callingCComEnumImpl::Init. Return the enumerator interface to the client. ...
问头文件中的extern enumEN在我的项目中，我有一个包含以下行的头文件。extern应用于变量，以指定它们...
using System; [Flags] enum Colors { None=0, Red = 1, Green = 2, Blue = 4 }; public class Example { public static void Main() { string[] colorStrings = { "0", "2", "8", "blue", "Blue", "Yellow", "Red, Green" }; foreach (string colorString in colorStrings) { try ...
#include<stdint.h>enumclassMyEnumTag:CppEquivalentOfInt{A,B,C,D};structMyEnumPayloadA{MyEnumTagtag;uint32_tpayload;};structMyEnumPayloadB{MyEnumTagtag;float_0;uint64_t_1;};structMyEnumPayloadC{MyEnumTagtag;uint32_tx;uint8_ty;};structMyEnumPayloadD{MyEnumTagtag...