RE: Template help,To Alexandre Oliva

["Shiv Shankar Ramakrishnan" <Shiv at pspl dot co dot in>]

|you can find such c++ code in VC++.
|in VC++ include directory,the code of file uility

You should read any good book on C++ (Stroustrup) about the rationale
behind the 'typename' keyword. Since that it what has bitten you.
Also see - http://www.ocsltd.com/c++/cpppttyp.html

Such code existing in VC++ includes *does not* mean that -
 1. Such code is 'ISO C++'ly correct
 2. That the compiler doesn't support the 'typename' keyword
 3. That the compiler cannot in theory flag the error

The VC++ compiler does support 'typename'. At least VC6 does. Now its a
different matter that P.J. Plauger and Dinkumware (the implementers of
Std C++ libs for VC++) are not going to give you the correct updated
headers for free. (Complain loudly to them) So the only option I guess
for VC++ was to not flag that as an error. And lets not go into the
whole story behind the mess that Plauger and Tom Plum got all the users
of VC++ into due to their lawsuit ...

|Is there any compile option to avoid the error?

Why don't you try something like this -

#if _MSC_VER >= 1200 //check for the version of your compiler
	#define TYPENAME_ typedef
#else
	#define TYPENAME_ typename
#endif

template <class T1> struct test01 {
  TYPENAME_ T1::Type1 Type1;
};

Its ugly but its one easy way to placate the current situation of
compilers with varying levels of Std ISO C++ support.

I am giving you a detailed answer since most of the other answers that
you have got so far have been very curt ones.

Hope that helps,
Shiv