On 2/22/06, Ed Smith-Rowland <[EMAIL PROTECTED]> wrote:
> All,
>
> I have a template class:
>
> template < class Datum, unsigned long Dim >
> class DataGrid
> {
> ...
> public:
> ...
> std::ostream & write( std::ostream & output ) const;
> ...
> };
>
> I have a non-member operator overload:
>
> On GCC-3.4 Cygwin I needed:
>
> template < class Datum, unsigned long Dim >
> inline std::ostream & operator<<( std::ostream & output, const
> DataGrid<Datum,Dim> & data_grid )
> {
> return data_grid.write( output );
> }
>
> On GCC-4.0 MacOSX I was able to get by with this:
>
> inline std::ostream & operator<<( std::ostream & output, const DataGrid
> & data_grid )
> {
> return data_grid.write( output );
> }
>
> I actually think that 3.4 is right!!!
> Am I wrong?
>
No, gcc version 4.0.2 20051125 (Red Hat 4.0.2-8) does not recognize
DataGrid as a type in the operator<< function definition as expected.
To be honest I have no idea why/how your OSX 4.0 compiler comprehends this...?
--
Tarjei
