[julia-users] problem with array of arrays

[K Leo]

What is wrong with the following?

julia> A
4-element Array{Array{Int64,1},1}:
 [-1,2,4]
 [-1,2,7]
 [-1,2,8]
 [1,-2,10]

julia> findin(A, A[3])
0-element Array{Int64,1}