Hey all,
I'm doing some work on the stencil class and I have a programming question.
I'm experimenting with the following code:
class Stencil
{
Box dim_;
SCM expr_;
Drul_array<Stencil> children_;
etc...
}
and g++ gives me:
rm -f ./out/articulations.dep; DEPENDENCIES_OUTPUT="./out/articulations.dep
./out/articulations.o" g++ -c -Woverloaded-virtual -I/usr/include/python2.6
-I/usr/include/python2.6 -fno-strict-aliasing -g -fwrapv -DHAVE_CONFIG_H
-I./include -I./out -I../flower/include -I../flower/./out -I../flower/include
-g -pipe -pthread -I/usr/include/freetype2 -pthread -I/usr/include/pango-1.0
-I/usr/include/freetype2 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include
-Wno-pmf-conversions -W -Wall -Wconversion -o out/articulations.o
articulations.cc
In file included from ../flower/include/interval.hh:26,
from ./include/lily-guile.hh:38,
from ./include/grob-info.hh:23,
from ./include/engraver.hh:23,
from articulations.cc:19:
../flower/include/drul-array.hh: In instantiation of 'Drul_array<Stencil>':
./include/stencil.hh:63: instantiated from here
../flower/include/drul-array.hh:32: error: 'Drul_array<T>::array_' has
incomplete type
./include/stencil.hh:60: error: forward declaration of 'class Stencil'
make: *** [out/articulations.o] Error 1
When I change the Drul_array to a vector, this problem goes away. I would,
however, like it to be a Drul_array (or even better, a pair, but pair gives me
the same forward declaration error as Drul_array). Does anyone know a way to
declare this thing correctly so that I don't get the forward declaration error?
Cheers,
MS
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