[julia-users] What's the difference between unique(a) and union(a)

[Sheehan Olver]

Is there a difference between these two commands:

*julia> **unique([1,2,3,3])*

*3-element Array{Int64,1}:*

* 1*

* 2*

* 3*


*julia> **union([1,2,3,3])*

*3-element Array{Int64,1}:*

* 1*

* 2*

* 3*