From 09cc146211148a3b2568261c41a804a802c31d4c Mon Sep 17 00:00:00 2001
From: Luke Shumaker <lukeshu@lukeshu.com>
Date: Wed, 13 Jul 2022 20:31:51 -0600
Subject: re-organize some things between files

---
 lib/util/ordered.go | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 lib/util/ordered.go

(limited to 'lib/util/ordered.go')

diff --git a/lib/util/ordered.go b/lib/util/ordered.go
new file mode 100644
index 0000000..fc5b5ee
--- /dev/null
+++ b/lib/util/ordered.go
@@ -0,0 +1,41 @@
+// Copyright (C) 2022  Luke Shumaker <lukeshu@lukeshu.com>
+//
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package util
+
+import (
+	"golang.org/x/exp/constraints"
+)
+
+func CmpUint[T constraints.Unsigned](a, b T) int {
+	switch {
+	case a < b:
+		return -1
+	case a == b:
+		return 0
+	default:
+		return 1
+	}
+}
+
+type Ordered[T interface{ Cmp(T) int }] interface {
+	Cmp(T) int
+}
+
+type NativeOrdered[T constraints.Ordered] struct {
+	Val T
+}
+
+func (a NativeOrdered[T]) Cmp(b NativeOrdered[T]) int {
+	switch {
+	case a.Val < b.Val:
+		return -1
+	case a.Val > b.Val:
+		return 1
+	default:
+		return 0
+	}
+}
+
+var _ Ordered[NativeOrdered[int]] = NativeOrdered[int]{}
-- 
cgit v1.2.3-54-g00ecf