From 1a187cb04b3130572a5b3f7513c1e55b0a59fdc2 Mon Sep 17 00:00:00 2001
From: Stefan Majewsky <majewsky@gmx.net>
Date: Mon, 13 Apr 2026 11:39:36 +0200
Subject: reduce code duplication in benchmark tests

---
 internal/must/must.go | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 internal/must/must.go

(limited to 'internal')

diff --git a/internal/must/must.go b/internal/must/must.go
new file mode 100644
index 0000000..e472579
--- /dev/null
+++ b/internal/must/must.go
@@ -0,0 +1,24 @@
+// SPDX-FileCopyrightText: 2026 Stefan Majewsky <majewsky@gmx.net>
+// SPDX-License-Identifier: Apache-2.0
+
+package must
+
+import "testing"
+
+// Succeed fails the test if err is not nil.
+func Succeed(t testing.TB, err error) {
+	if err != nil {
+		t.Fatal(err.Error())
+	}
+}
+
+// Return wraps a function returning two output values,
+// and either forwards the result value on success, or fails the test on error.
+func Return[V any](value V, err error) func(testing.TB) V {
+	return func(t testing.TB) V {
+		if err != nil {
+			t.Fatal(err.Error())
+		}
+		return value
+	}
+}
-- 
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