From 72a458520fccafe4df8c02c811cb6f64a310616e Mon Sep 17 00:00:00 2001
From: Luke Shumaker <lukeshu@lukeshu.com>
Date: Wed, 13 Jul 2022 21:22:14 -0600
Subject: Move the remaining former-generic.go parts out of lib/util/

---
 lib/maps/maputil.go | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 lib/maps/maputil.go

(limited to 'lib/maps')

diff --git a/lib/maps/maputil.go b/lib/maps/maputil.go
new file mode 100644
index 0000000..aeebe12
--- /dev/null
+++ b/lib/maps/maputil.go
@@ -0,0 +1,25 @@
+// Copyright (C) 2022  Luke Shumaker <lukeshu@lukeshu.com>
+//
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package maps
+
+import (
+	"golang.org/x/exp/constraints"
+
+	"git.lukeshu.com/btrfs-progs-ng/lib/slices"
+)
+
+func Keys[K comparable, V any](m map[K]V) []K {
+	ret := make([]K, 0, len(m))
+	for k := range m {
+		ret = append(ret, k)
+	}
+	return ret
+}
+
+func SortedKeys[K constraints.Ordered, V any](m map[K]V) []K {
+	ret := Keys(m)
+	slices.Sort(ret)
+	return ret
+}
-- 
cgit v1.2.3-2-g168b