在编译期间，clang中的以下代码出现警告(在vc++中它工作正常):warning:explicitspecializationof'Helper'withinclassscopeisaMicrosoftextension[-Wmicrosoft]#include#includeenumclassCar{BMW};classC{staticvoidMethod(){puts("inner");}};templateclassBaseClass{private:templatestructHelper;templatestructHelper{typedefCInnerType;sta