From 8c185579adb99b4ac3d8f935131793db89e23d2b Mon Sep 17 00:00:00 2001
From: Daniel Bos <daniel.bos@sap.com>
Date: Fri, 1 Mar 2024 15:23:28 +0800
Subject: [PATCH] fix: handle nil pointer in Len function of Error struct

Similar to `*Error.ErrorOrNil`, handle `nil` values for *Error
gracefully, return a length of 0.
---
 sort.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sort.go b/sort.go
index b9f1f49..1d34b4c 100644
--- a/sort.go
+++ b/sort.go
@@ -4,7 +4,11 @@
 package multierror
 
 // Len implements sort.Interface function for length
-func (err Error) Len() int {
+func (err *Error) Len() int {
+	if err == nil {
+		return 0
+	}
+
 	return len(err.Errors)
 }