Thanks Steven, That makes sense and I was thinking about the same thing...
But what I don't get is, why has it worked till now and it still works on
my Ubuntu server, but no longer works on my Mac?
joi, 7 iulie 2016, 18:36:57 UTC+2, Steven G. Johnson a scris:
>
> You want
>
> render{T<:AbstractString}(p::Dict{T})
>
> See the bit about "invariant" types in
> http://docs.julialang.org/en/latest/manual/types/#parametric-composite-types
>
