AbstractInstances.jl
A package for making concrete instances of abstract types.
Usage
julia> using AbstractInstances
julia> AbstractInstances.oftype(Number) isa Number
true
julia> AbstractInstances.oftype(Number) === AbstractInstances.oftype(Number)
false
julia> AbstractInstances.singleton(Number) isa Number
true
julia> AbstractInstances.singleton(Number) === AbstractInstances.singleton(Number)
true