snapshot of https://github.com/ory/keto.git (master, 2026-09-16; blobs > 131072B omitted)

oryx/stringslice/unique.go

@@ -0,0 +1,20 @@
+// Copyright © 2023 Ory Corp
+// SPDX-License-Identifier: Apache-2.0
+
+package stringslice
+
+// Unique returns the given string slice with unique values, preserving order.
+// Consider using slices.Compact with slices.Sort instead when you don't care about order.
+func Unique(i []string) []string {
+	u := make([]string, 0, len(i))
+	m := make(map[string]struct{}, len(i))
+
+	for _, val := range i {
+		if _, ok := m[val]; !ok {
+			m[val] = struct{}{}
+			u = append(u, val)
+		}
+	}
+
+	return u
+}