From b267129ae023bbf724a26127107777e8507743a9 Mon Sep 17 00:00:00 2001
From: Shauren <shauren.trinity@gmail.com>
Date: Wed, 2 Apr 2025 22:22:03 +0200
Subject: Core/Misc: Simplify Trinity::invocable_r concept

---
 src/common/Utilities/Concepts.h   | 6 +-----
 src/common/Utilities/Containers.h | 2 +-
 2 files changed, 2 insertions(+), 6 deletions(-)

(limited to 'src')

diff --git a/src/common/Utilities/Concepts.h b/src/common/Utilities/Concepts.h
index 4cfa52c029c..3f52c6613ca 100644
--- a/src/common/Utilities/Concepts.h
+++ b/src/common/Utilities/Concepts.h
@@ -19,15 +19,11 @@
 #define TRINITYCORE_CONCEPTS_H
 
 #include <concepts>
-#include <functional> // std::invoke
 
 namespace Trinity
 {
 template <typename Callable, typename R, typename... Args>
-concept invocable_r = requires(Callable && callable, Args&&... args)
-{
-    { std::invoke(static_cast<Callable&&>(callable), static_cast<Args&&>(args)...) } -> std::convertible_to<R>;
-};
+concept invocable_r = std::is_invocable_r_v<R, Callable, Args...>;
 }
 
 #endif // TRINITYCORE_CONCEPTS_H
diff --git a/src/common/Utilities/Containers.h b/src/common/Utilities/Containers.h
index bec7344cb6d..4a764629937 100644
--- a/src/common/Utilities/Containers.h
+++ b/src/common/Utilities/Containers.h
@@ -239,7 +239,7 @@ namespace Trinity
                     ++first1;
                 else if (*first2 < *first1)
                     ++first2;
-                else if (!std::invoke(std::forward<Predicate>(equalPred), *first1, *first2))
+                else if (!std::forward<Predicate>(equalPred)(*first1, *first2))
                     ++first1, ++first2;
                 else
                     return true;
-- 
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