From e35674dbaa2ebc319665446d3012ae91752aa311 Mon Sep 17 00:00:00 2001
From: Paul Pan <i@0x7f.app>
Date: Sat, 6 Jan 2024 15:04:52 +0800
Subject: [PATCH] feat: add TryErr

---
 pkg/utils/try.go | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/pkg/utils/try.go b/pkg/utils/try.go
index 2339520..7b46d98 100644
--- a/pkg/utils/try.go
+++ b/pkg/utils/try.go
@@ -25,3 +25,27 @@ func (c *TryChain[T, V]) Or(callback func() (T, V)) *TryChain[T, V] {
 func (c *TryChain[T, V]) Done() (T, V) {
 	return c.result, c.error
 }
+
+type TryChainErr struct {
+	err error
+}
+
+func NewTryErr() *TryChainErr {
+	return &TryChainErr{}
+}
+
+func (c *TryChainErr) Try(callback func() error) *TryChainErr {
+	c.err = callback()
+	return c
+}
+
+func (c *TryChainErr) Or(callback func() error) *TryChainErr {
+	if c.err == nil {
+		return c
+	}
+	return c.Try(callback)
+}
+
+func (c *TryChainErr) Done() error {
+	return c.err
+}