Ah yes. I fixed that but is not in the image... Just load bleeding edge of UFFI
> On 3 Mar 2016, at 18:30, Aliaksei Syrel <alex.sy...@gmail.com> wrote: > > (In the latest FFI) > > Assume we have a native call declaration (we want to get values from x and y > later): > >> primGetCurrentPointX: x Y: y >> <primitive: #primitiveNativeCall module: #NativeBoostPlugin error: >> errorCode> >> >> ^self nbCall: #( void cairo_get_current_point (self, double * x, double * >> y)) > > Trying to use it as: > >> | x y | >> x := (ByteArray new: 8). >> y := (ByteArray new: 8). >> self primGetCurrentPointX: x Y: y. >> ^ (x doubleAt: 1)@ (y doubleAt: 1) > > Throws DNU ByteArray>>#rollAsDoubleToArity: arity . > > However if primitive would be modified to: > >> ^self nbCall: #( void cairo_get_current_point (self, void * x, void * y)) > > Exception goes away. > > I'm just curios how it is supposed to be :) > > Cheers, > Alex >
