From db38226757af0451dee087b240fdf361b70e152c Mon Sep 17 00:00:00 2001
From: Samuel Berthe <dev@samuel-berthe.fr>
Date: Mon, 28 Oct 2024 00:24:44 +0100
Subject: [PATCH] fix: division by zero for PoolHandler (fixing #14)

---
 pool.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pool.go b/pool.go
index 1e82fcf..dc40de1 100644
--- a/pool.go
+++ b/pool.go
@@ -41,6 +41,10 @@ func (h *PoolHandler) Enabled(ctx context.Context, l slog.Level) bool {
 
 // Implements slog.Handler
 func (h *PoolHandler) Handle(ctx context.Context, r slog.Record) error {
+	if len(h.handlers) == 0 {
+		return nil
+	}
+
 	// round robin
 	rand := h.randSource.Int63() % int64(len(h.handlers))
 	handlers := append(h.handlers[rand:], h.handlers[:rand]...)