[julia-users] Arrays{T,N} of size = (n, 1, 1, 1, ...)

[SrAceves]

What's the use of Arrays{T,N} of size = (n, 1, 1, 1, ...)? In such cases, 
would it make sense to default to a simple Array{T,1}?

For example, rand(5, 1, 1, 1) would turn into rand(5)  (à la vec(rand(5, 1, 
1, 1))