On Friday, May 6, 2016 at 12:48:20 PM UTC-4, David Dill wrote:
>
> function f4()
> d1::Dict{Any,Any}
> d2::Dict{Int64,Int64}
> d1 = d2 = Dict()
> is(d1, d2)
> end
>You are forcing a conversion from one type of Dict to another, which makes a copy.
