dual_sets.jl

export dual_set

# Additional dual_set 
function dual_set(::MOI.GreaterThan{T}) where T
    return MOI.GreaterThan(zero(T))
end

function dual_set(::MOI.LessThan{T}) where T
    return MOI.LessThan(zero(T))
end

function dual_set(::MOI.EqualTo{T}) where T
    return # Maybe return Reals in the future
end