1 files changed, 18 insertions, 0 deletions
diff --git a/internal/test.go b/internal/test.go
new file mode 100644
index 0000000..586a1bc
--- /dev/null
+++ b/internal/test.go
@@ -0,0 +1,18 @@
+package internal
+
+import "os"
+
+func fib(i int) int {
+	if i <= 1 {
+		return i
+	}
+	return fib(i-1) + fib(i-2)
+}
+
+func countFilesInDir(dirPath string) int {
+	files, err := os.ReadDir(dirPath)
+	if err != nil {
+		return 0
+	}
+	return len(files)
+}