From ef9f0cfca71fc054546dcc430f4557f4e58d8c19 Mon Sep 17 00:00:00 2001
From: WerWolv <werwolv98@gmail.com>
Date: Mon, 30 Aug 2021 19:12:19 +0200
Subject: [PATCH] sys: Fixed broken concept

---
 plugins/libimhex/include/hex/helpers/concepts.hpp  | 12 ++++++++++--
 plugins/libimhex/include/hex/lang/pattern_data.hpp |  3 ++-
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/plugins/libimhex/include/hex/helpers/concepts.hpp b/plugins/libimhex/include/hex/helpers/concepts.hpp
index 5824d36d1..f756e3c6b 100644
--- a/plugins/libimhex/include/hex/helpers/concepts.hpp
+++ b/plugins/libimhex/include/hex/helpers/concepts.hpp
@@ -144,5 +144,13 @@ namespace hex {
     concept floating_point = std::is_floating_point<T>::value;
 }
 
-template<typename T>
-struct always_false : std::false_type {};
\ No newline at end of file
+namespace hex {
+
+    template<typename T>
+    struct always_false : std::false_type {};
+
+    template<typename T, size_t Size>
+    concept has_size = sizeof(T) == Size;
+
+}
+
diff --git a/plugins/libimhex/include/hex/lang/pattern_data.hpp b/plugins/libimhex/include/hex/lang/pattern_data.hpp
index 3b6b4dcad..c4d6a1336 100644
--- a/plugins/libimhex/include/hex/lang/pattern_data.hpp
+++ b/plugins/libimhex/include/hex/lang/pattern_data.hpp
@@ -9,6 +9,7 @@
 #include <hex/views/view.hpp>
 #include <hex/helpers/utils.hpp>
 #include <hex/helpers/fmt.hpp>
+#include <hex/helpers/concepts.hpp>
 
 #include <cstring>
 #include <codecvt>
@@ -22,7 +23,7 @@ namespace hex::lang {
 
     namespace {
 
-        template<typename T> requires requires { sizeof(T) == 1; }
+        template<hex::has_size<1> T>
         std::string makeDisplayable(T *data, size_t size) {
             std::string result;
             for (T* c = data; c < (data + size); c++) {