From c611a0f951eebb7c0820d15e16f2c75f98d9f9ed Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?KevinZ=C3=B8nda?=
 <33132228+KevinZonda@users.noreply.github.com>
Date: Tue, 11 Apr 2023 22:46:29 +0100
Subject: [PATCH] more

---
 pkg/arrayx/idx.go           | 8 ++++++++
 pkg/{maps => mapx}/clone.go | 2 +-
 pkg/stringx/cast.go         | 7 +++++++
 3 files changed, 16 insertions(+), 1 deletion(-)
 create mode 100644 pkg/arrayx/idx.go
 rename pkg/{maps => mapx}/clone.go (98%)

diff --git a/pkg/arrayx/idx.go b/pkg/arrayx/idx.go
new file mode 100644
index 0000000..24cff46
--- /dev/null
+++ b/pkg/arrayx/idx.go
@@ -0,0 +1,8 @@
+package arrayx
+
+func SafeIndex[T any](s []T, i int, ifFailed T) T {
+	if i < 0 || i >= len(s) {
+		return ifFailed
+	}
+	return s[i]
+}
diff --git a/pkg/maps/clone.go b/pkg/mapx/clone.go
similarity index 98%
rename from pkg/maps/clone.go
rename to pkg/mapx/clone.go
index 74e1193..aaa5fe1 100644
--- a/pkg/maps/clone.go
+++ b/pkg/mapx/clone.go
@@ -1,4 +1,4 @@
-package maps
+package mapx
 
 func Clone[K comparable, V any](m map[K]V) map[K]V {
 	newM := make(map[K]V, len(m))
diff --git a/pkg/stringx/cast.go b/pkg/stringx/cast.go
index c526e80..b681f63 100644
--- a/pkg/stringx/cast.go
+++ b/pkg/stringx/cast.go
@@ -25,3 +25,10 @@ func Bool(s string) (bool, error) {
 func Ptr(s string) *string {
 	return &s
 }
+
+func AutoPtr(s string) *string {
+	if s == "" {
+		return nil
+	}
+	return &s
+}