mu/options: Support date sortfield

Fixes #2368.
2022-11-22 23:16:37 +02:00
parent d2a3a13242
commit 4d1352ec56
2 changed files with 19 additions and 17 deletions
--- a/lib/message/mu-fields.hh
+++ b/lib/message/mu-fields.hh
@ -159,6 +159,8 @@ struct Field {
 	constexpr bool is_searchable()          const { return is_indexable_term() ||
 							       is_boolean_term() ||
 							       is_normal_term(); }
+	constexpr bool is_sortable()            const { return is_value(); }
+

 	constexpr bool is_value()		const { return any_of(Flag::Value); }
 	constexpr bool is_internal()		const { return any_of(Flag::Internal); }