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