1 files changed, 17 insertions, 0 deletions
diff --git a/debug.go b/debug.go
new file mode 100644
index 0000000..18f4423
--- /dev/null
+++ b/debug.go
@@ -0,0 +1,17 @@
+package lulu
+
+import (
+	"log"
+	"os"
+)
+
+var (
+	Debug    = false // print debug info to stdout
+	debugLog = log.New(os.Stderr, "DEBUG ", log.LstdFlags|log.Llongfile)
+)
+
+func debugf(format string, a ...any) {
+	if Debug {
+		debugLog.Printf(format, a...)
+	}
+}