problem with inner classes in template functions

Fergus Henderson fjh@cs.mu.OZ.AU
Thu May 22 09:38:00 GMT 1997


Oliver Glier, you wrote:
> 
> template<class C>
> void createIterator(const C&)
> {
>   C::Iterator it;
>   it.setnull();
> }
...
> The compiler always yields a syntax error at the line with
> "C::Iterator it;" in function createIterator().

The compiler is correct.  The above is not valid C++ syntax
(no matter what all those other compilers do).

I think the correct syntax is

   typename C::Iterator it;
   ^^^^^^^^

This syntax is a fairly recent addition to C++, and
I have no idea whether the cygwin g++ supports it yet
(and no intention of rebooting my Linux box in W95 mode
to find out ;-).

-- 
Fergus Henderson <fjh@cs.mu.oz.au>   |  "I have always known that the pursuit
WWW: < http://www.cs.mu.oz.au/~fjh >   |  of excellence is a lethal habit"
PGP: finger fjh@128.250.37.3         |     -- the last words of T. S. Garp.
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