https://github.com/JuliaLang/julia/issues/269
kl. 21:52:05 UTC+1 torsdag 6. november 2014 skrev Evan Pu følgende: > > Quick question: > > In haskell one can do something like the following to define a type: > > data Tree a = Branch (Tree a) (Tree a) | Leaf a > > > Is there something analogous in the Julia world? > I'm sure I'm doing something wrong here... > > julia> type Tree > body :: Union(Branch, Leaf) > end > ERROR: Branch not defined > > julia> type Branch > a :: Tree > b :: Tree > end > ERROR: Tree not defined > > julia> type Leaf > a > end > > thanks! >
