chore: import upstream snapshot with attribution

utils/abs.go

@@ -0,0 +1,27 @@
+// Copyright 2023 Dolthub, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package utils
+
+import (
+	"golang.org/x/exp/constraints"
+)
+
+// Abs returns the absolute value of the given number.
+func Abs[T constraints.Integer | constraints.Float](val T) T {
+	if val < 0 {
+		return -val
+	}
+	return val
+}