create initializer for red/black tree

1 files changed, 13 insertions, 0 deletions

diff --git a/src/03/rb_tree.h b/src/03/rb_tree.h
index e69de29..0945c36 100644
--- a/src/03/rb_tree.h
+++ b/src/03/rb_tree.h
@@ -0,0 +1,13 @@
+enum colour {
+  black = 0x01,
+  red = 0x00,
+};
+
+typedef struct rb_node {
+  struct rb_node *left;
+  struct rb_node *right;
+  enum colour colour;
+  int value;
+} RBTree;
+
+RBTree *rb_tree_initialize(int value);