Template specialization error for "void" template parameter in GCC

[Jonathan Wakely]

On 21 September 2011 06:21, himanshu.gupta wrote:
>
> Hi,
>
> The following code is giving errors while compiling with GCC 4.5.
>
> Foo.h Header File: declaration of template class.
> template<class T>
> class Foo
> {
>    void FooBar() const;
> };
>
> Foo.cpp Source File: explicit definitions for member function of template
> class Foo.
> template<>
> void Foo<void>::FooBar () const
> {
>    do something...
> }
>
> The above explicit function declaration for "void" is giving error...
> error: template-id 'type<>' for 'void Foo<void>::FooBar() const' does not
> match any template declaration
>
> The same explicit function declarations with other types - int, unsigned
> int, etc. compiles successfully. The explicit specialization for "void"
> however seems to only compile without template<> being added. But I believe
> as per GCC they do require template<>.
>
> Is it an error with GCC for "void" template parameter? Or am I missing
> something with syntax/ GCC compile option?

It looks as though you've forgotten to #include "Foo.h"