From 279ff67e5b3f4169e628320ce4c7cd60b749cebe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Juan=20Pedro=20Bol=C3=ADvar=20Puente?= <raskolnikov@gnu.org>
Date: Wed, 17 Aug 2022 12:16:13 +0200
Subject: [PATCH] Fix using std::monostate seems broken

---
 src/ewig/application.cpp | 2 +-
 src/ewig/application.hpp | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/ewig/application.cpp b/src/ewig/application.cpp
index 98663f1..4eea4bf 100644
--- a/src/ewig/application.cpp
+++ b/src/ewig/application.cpp
@@ -45,7 +45,7 @@ struct arg<void>
     template <typename Fn, typename Arg, typename... Args>
     static auto invoke(Fn&& fn, const Arg& arg, Args&&... args)
     {
-        assert(std::holds_alternative<std::monostate>(arg));
+        assert(std::holds_alternative<none_t>(arg));
         return std::forward<Fn>(fn)(std::forward<Args>(args)...);
     }
 };
diff --git a/src/ewig/application.hpp b/src/ewig/application.hpp
index 221646a..a112a54 100644
--- a/src/ewig/application.hpp
+++ b/src/ewig/application.hpp
@@ -31,7 +31,9 @@
 
 namespace ewig {
 
-using arg_t = std::variant<std::monostate,
+struct none_t {};
+
+using arg_t = std::variant<none_t,
                           std::string,
                           wchar_t>;
 
@@ -81,6 +83,7 @@ application apply_edit(application state, coord size, std::pair<buffer, text> ed
 
 } // namespace ewig
 
+LAGER_STRUCT(ewig, none_t);
 LAGER_STRUCT(ewig, key_action, key);
 LAGER_STRUCT(ewig, resize_action, size);
 LAGER_STRUCT(ewig, command_action, name, arg);