From 6dfe2c57007522013865d8a7755a35e6cb732d1d Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Tue, 5 Oct 2021 11:08:48 +0100
Subject: [Minor] Mark operators constexpr

---
 src/libmime/mime_string.hxx | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/libmime/mime_string.hxx b/src/libmime/mime_string.hxx
index 890708de2..41d2f5f7e 100644
--- a/src/libmime/mime_string.hxx
+++ b/src/libmime/mime_string.hxx
@@ -52,19 +52,19 @@ enum class mime_string_flags : std::uint8_t {
 	MIME_STRING_SEEN_INVALID = 0x1 << 1,
 };
 
-mime_string_flags operator |(mime_string_flags lhs, mime_string_flags rhs)
+constexpr mime_string_flags operator |(mime_string_flags lhs, mime_string_flags rhs)
 {
 	using ut = std::underlying_type<mime_string_flags>::type;
 	return static_cast<mime_string_flags>(static_cast<ut>(lhs) | static_cast<ut>(rhs));
 }
 
-mime_string_flags operator &(mime_string_flags lhs, mime_string_flags rhs)
+constexpr mime_string_flags operator &(mime_string_flags lhs, mime_string_flags rhs)
 {
 	using ut = std::underlying_type<mime_string_flags>::type;
 	return static_cast<mime_string_flags>(static_cast<ut>(lhs) & static_cast<ut>(rhs));
 }
 
-bool operator !(mime_string_flags fl)
+constexpr bool operator !(mime_string_flags fl)
 {
 	return fl == mime_string_flags::MIME_STRING_DEFAULT;
 }
-- 
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