From 4bde5943fa9bee99e8ad1e570d05e142cbacade7 Mon Sep 17 00:00:00 2001
From: Paul Buetow <paul@buetow.org>
Date: Wed, 3 Jul 2024 11:27:40 +0300
Subject: add safe errors

---
 internal/easyhttp/saferrors.go | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 internal/easyhttp/saferrors.go

(limited to 'internal/easyhttp/saferrors.go')

diff --git a/internal/easyhttp/saferrors.go b/internal/easyhttp/saferrors.go
new file mode 100644
index 0000000..32dd77f
--- /dev/null
+++ b/internal/easyhttp/saferrors.go
@@ -0,0 +1,31 @@
+package easyhttp
+
+import (
+	"errors"
+	"sync"
+)
+
+// Safe errors
+type SafErrors struct {
+	errs  []error
+	mutex sync.Mutex
+}
+
+func (errs *SafErrors) Append(err error) {
+	if err == nil {
+		return
+	}
+	errs.mutex.Lock()
+	defer errs.mutex.Unlock()
+	errs.errs = append(errs.errs, err)
+}
+
+func (errs *SafErrors) Join() error {
+	errs.mutex.Lock()
+	defer errs.mutex.Unlock()
+	return errors.Join(errs.errs...)
+}
+
+func (errs *SafErrors) Error() string {
+	return errs.Join().Error()
+}
-- 
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