1 files changed, 12 insertions, 0 deletions
diff --git a/core/core.go b/core/core.go
new file mode 100644
index 0000000..e2923c1
--- /dev/null
+++ b/core/core.go
@@ -0,0 +1,12 @@
+package core
+
+type Interval struct {
+	Start, End int
+}
+
+func NewInterval(start, end int) Interval {
+	return Interval{
+		Start: start,
+		End:   end,
+	}
+}