[julia-users] How to construct without push! vector of vectors?

[Alex]

Hello,

How to construct without push! equivalent vector of vectors?

a=[]
push!(a, [1,2])
push!(a, [2,3])

it gives:
# 2-element Array{Any,1}:
# [1,2]
# [2,3]

If  i type

a=[[1,2],[2,3]]
it gives me a 4-element array.