(j3.2006) derived types with type parameters are different
Fri Jul 25 18:50:55 EDT 2008
Jim Xia wrote:
> j3-bounces at j3-fortran.org wrote on 07/25/2008 12:44:06 PM:
> > Robert Corbett wrote:
> > >
> > > Are there any compilers that implement parameterized derived types
> > > yet?
> > Yes, and I would expect that some that don't have at least gotten past
> > the design stage. The feature is a pain to implement, so resistance to
> > doing it over a different way will be very high.
> We're still implementing it. As a general comment on public comment
> J32004 "F2008 too early": there is a call to review F2003 and address
> the reason for lack of implementations. Aside from the size of F2003,
> there are also features not well designed. Parameterized derived type
> is one of those falls into this category.
> > > If so, how do they handle type equivalence?
> At the moment our compiler handles N vs. N+0 case, and we reject N+N vs.
> N*N case.
What about the 2*N vs. N+N case?
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