From 64f2735e603336363d55194c7717951af990313a Mon Sep 17 00:00:00 2001
From: Max Kellermann <mk@cm4all.com>
Date: Wed, 8 Jun 2022 14:10:58 +0200
Subject: [PATCH] util/SpanCast: add ToStringView()

---
 src/util/SpanCast.hxx | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/util/SpanCast.hxx b/src/util/SpanCast.hxx
index 0ca95bc40..3aec5dfa4 100644
--- a/src/util/SpanCast.hxx
+++ b/src/util/SpanCast.hxx
@@ -85,3 +85,15 @@ AsBytes(std::string_view sv) noexcept
 {
 	return std::as_bytes(ToSpan(sv));
 }
+
+constexpr std::string_view
+ToStringView(std::span<const char> s) noexcept
+{
+	return {s.data(), s.size()};
+}
+
+constexpr std::string_view
+ToStringView(std::span<const std::byte> s) noexcept
+{
+	return ToStringView(FromBytesStrict<const char>(s));
+}