Merge pull request #149 from samuelsonric/master

Fixed propagation of traits `ParentLinks` and `SiblingLinks`.

Author: oscardssmith

src/indexing.jl

@@ -116,8 +116,8 @@ end
 
 IndexNode(tree) = IndexNode(tree, rootindex(tree))
 
-ParentLinks(::Type{<:IndexNode{N,T}}) where {N,T} = ParentLinks(T)
-SiblingLinks(::Type{<:IndexNode{N,T}}) where {N,T} = SiblingLinks(T)
+ParentLinks(::Type{<:IndexNode{T,I}}) where {T,I} = ParentLinks(T)
+SiblingLinks(::Type{<:IndexNode{T,I}}) where {T,I} = SiblingLinks(T)
 
 nodevalue(idx::IndexNode) = nodevalue(idx.tree, idx.index)
 

test/trees.jl

@@ -83,6 +83,8 @@ include(joinpath(@__DIR__, "examples", "onetree.jl"))
     @test eltype(nodevalue.(collect(Leaves(n)))) ≡ Int
     @test nodevalue.(collect(PreOrderDFS(n))) == [2, 3, 4, 0]
     @test nodevalue.(collect(PostOrderDFS(n))) == [0, 4, 3, 2]
+    @test ParentLinks(n) == StoredParents()
+    @test SiblingLinks(n) == StoredSiblings()
 end
 
 include(joinpath(@__DIR__, "examples", "fstree.jl"))