On Monday, January 4, 2016 at 9:57:35 AM UTC-7, Forrest Curo wrote: > > I can do something like the following with no complaint: > julia> ns = Dict{Int8,Set{Int8}} >
What you've created is the type, but what you want is an instance of the type. Do ns = Dict{Int8,Set{Int8}}() and then it should work as expected. e.g. ns[1] = Set{Int8}([3,7]) push!(ns[1], 17) isempty(ns[1]) 3 ∈ ns[1] work.