1 files changed, 15 insertions, 0 deletions
diff --git a/search/set.go b/search/set.go
new file mode 100644
index 0000000..29bfad7
--- /dev/null
+++ b/search/set.go
@@ -0,0 +1,15 @@
+package set
+
+import "fmt"
+
+var (
+	NotFound       = fmt.Errorf("could not find entry")
+	NotImplemented = fmt.Errorf("method not implemented")
+)
+
+type Set interface {
+	Empty() bool
+	Set(key int, val int)
+	Get(key int) (int, error)
+	Del(key int) (int, error)
+}