[C + +] G + + compiler class template error message: template argument 1 is invalid

template< typename T>

NamedObject< typename T> ::NamedObject(const char *name, const T& The definition format of value can be compiled smoothly in VS,

but error: template argument 1 is invalid in GCC and should be defined as removing the second typename

template< typename T>

NamedObject< T> ::NamedObject(const char *name, const T& value)