Hello,
On Monday, November 10, 2014 11:01:59 AM UTC+1, Milan Bouchet-Valat wrote:
>
> Le dimanche 09 novembre 2014 à 23:48 -0800, David van Leeuwen a écrit :
> > Hello,
> >
> > On Monday, November 10, 2014 1:43:57 AM UTC+1, Dahua Lin wrote:
> > NamedArrays.jl generally goes along this way. However, it
> > remains limited in two aspects:
> >
> >
> > 1. Some fields in NamedArrays are not declared of specific
> > types. In particular, the field `dicts` is of the type
> > `Vector{Dict}`, and the use of this field is on the critical
> > path when looping over the table, e.g. when counting. This
> > would potentially lead to substantial impact on performance. >
> >
> > I suppose the problem you indicate can be alleviated by making
> > NamedArray parameterized by the type of the key in the dict as well.
> Right. Sounds reasonable.
>
>
I've been pondering over how this could be done. NamedArray has a type
parameter N, and it should then further have N type parameters indicating
the dictionary type along each of the N dimension. So I figure this is
going to be a challenging type definition.
---david
>