From 12af49e80e8e7fbfd11989cf8a7077996a558369 Mon Sep 17 00:00:00 2001
From: Eric Forgy <Eric.Forgy@coherentasia.com>
Date: Thu, 21 Feb 2019 11:54:11 +0800
Subject: [PATCH 1/2] Add Julia type hierarchy and Dict examples.

---
 examples/typetree.jl | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 examples/typetree.jl

diff --git a/examples/typetree.jl b/examples/typetree.jl
new file mode 100644
index 0000000..f686fd3
--- /dev/null
+++ b/examples/typetree.jl
@@ -0,0 +1,24 @@
+# DataType
+function AbstractTrees.children(t::DataType)
+    t === Function ? Vector{Type}() : filter!(x -> x !== Any,subtypes(t))
+end
+AbstractTrees.printnode(io::IO,t::DataType) = print(io,t)
+
+print_tree(IO)
+
+println()
+
+print_tree(Real)
+
+println()
+
+# Dict
+AbstractTrees.children(d::Dict) = [p for p in d]
+AbstractTrees.children(p::Pair) = AbstractTrees.children(p[2])
+function AbstractTrees.printnode(io::IO,p::Pair)
+    isempty(AbstractTrees.children(p[2])) ? print(io,"$(p[1]): $(p[2])") : print(io,"$(p[1]):")
+end
+
+d = Dict(:a => 2,:d => Dict(:b => 4,:c => "Hello"),:e => 5.0)
+
+print_tree(d)
\ No newline at end of file

From c399c2a960be67936ea7ed28f3c9dd22355dd96a Mon Sep 17 00:00:00 2001
From: Eric Forgy <Eric.Forgy@coherentasia.com>
Date: Thu, 21 Feb 2019 12:22:23 +0800
Subject: [PATCH 2/2] Change DataType -> Type

---
 examples/typetree.jl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/examples/typetree.jl b/examples/typetree.jl
index f686fd3..54844a4 100644
--- a/examples/typetree.jl
+++ b/examples/typetree.jl
@@ -1,8 +1,8 @@
 # DataType
-function AbstractTrees.children(t::DataType)
+function AbstractTrees.children(t::Type)
     t === Function ? Vector{Type}() : filter!(x -> x !== Any,subtypes(t))
 end
-AbstractTrees.printnode(io::IO,t::DataType) = print(io,t)
+AbstractTrees.printnode(io::IO,t::Type) = print(io,t)
 
 print_tree(IO)