Please have a look at the manual. It is explained here<http://docs.julialang.org/en/latest/manual/types/#parametric-composite-types>
2014-02-06 Fil Mackay <f...@vertigotechnology.com>:
> Hi all, I expected this to be true:
>
>
>
> *Dict{ASCIIString,Int64}<:Dict{String,Int64}# false*
>
> Should not there be covariance on the Dict's type parameter that allows
> this?
>
>
--
Med venlig hilsen
Andreas Noack Jensen
