Or you go this route:
mutable struct Example2{T1 <: Tuple, T2 <: Tuple}
somedict::Dict{Tuple{T1, T2}, Float64}
end
Or you go this route:
mutable struct Example2{T1 <: Tuple, T2 <: Tuple}
somedict::Dict{Tuple{T1, T2}, Float64}
end