[julia-users] How to have type parameters T less than Array{AbstractFloat} in the covariant sense?

[cheng wang]

Hello everyone,

In Julia, T < Array{AbstractFloat} does not mean T in (Array{Float32}, 
Array{Float64}, ...).
I try to use {F<:AbstractFloat, T::Array{F}} to get it, however Jjulia does 
not support this also.

So, what's the Julia's way to achieve this?

Thanks,
Cheng