From 912459ca3322b5ed9a89cb9a70552baac737c08c Mon Sep 17 00:00:00 2001
From: joren-dev <contactjorenx@gmail.com>
Date: Sat, 21 Nov 2020 01:30:56 +0100
Subject: [PATCH 1/2] add scope guard

---
 pe_scope_guard/pe_scope_guard.hpp | 36 +++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 pe_scope_guard/pe_scope_guard.hpp

diff --git a/pe_scope_guard/pe_scope_guard.hpp b/pe_scope_guard/pe_scope_guard.hpp
new file mode 100644
index 0000000..7ed3f7a
--- /dev/null
+++ b/pe_scope_guard/pe_scope_guard.hpp
@@ -0,0 +1,36 @@
+#ifndef PE_SCOPE_GUARD_HPP
+#define PE_SCOPE_GUARD_HPP
+
+#include <concepts>
+#include <tuple>
+#include <type_traits>
+#include <utility>
+
+namespace peach
+{
+
+  template< typename... Tys > class ScopeGuard
+  {
+  public:
+    ScopeGuard( Tys&&... callables ) requires( ( std::same_as< std::invoke_result_t< Tys >, void > && ... ) )
+        : m_callables( std::make_tuple( std::forward< Tys >( callables )... ) )
+    {
+    }
+
+    ScopeGuard( Tys... callables ) requires( ( std::same_as< std::invoke_result_t< Tys >, void > && ... ) )
+        : m_callables( std::make_tuple( callables... ) )
+    {
+    }
+
+    ~ScopeGuard( ) noexcept
+    {
+      std::apply( []( auto&&... args ) { ( ( args( ) ), ... ); }, m_callables );
+    }
+
+  private:
+    std::tuple< Tys... > m_callables;
+  };
+
+} // namespace peach
+
+#endif // PE_SCOPE_GUARD_HPP

From aa921dcccf62762b05ec433c61a558477b59fb6c Mon Sep 17 00:00:00 2001
From: joren-dev <contactjorenx@gmail.com>
Date: Sat, 21 Nov 2020 02:05:01 +0100
Subject: [PATCH 2/2] remove redundant overload, add constexpr

---
 pe_scope_guard/pe_scope_guard.hpp | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/pe_scope_guard/pe_scope_guard.hpp b/pe_scope_guard/pe_scope_guard.hpp
index 7ed3f7a..7bf4dca 100644
--- a/pe_scope_guard/pe_scope_guard.hpp
+++ b/pe_scope_guard/pe_scope_guard.hpp
@@ -12,12 +12,7 @@ namespace peach
   template< typename... Tys > class ScopeGuard
   {
   public:
-    ScopeGuard( Tys&&... callables ) requires( ( std::same_as< std::invoke_result_t< Tys >, void > && ... ) )
-        : m_callables( std::make_tuple( std::forward< Tys >( callables )... ) )
-    {
-    }
-
-    ScopeGuard( Tys... callables ) requires( ( std::same_as< std::invoke_result_t< Tys >, void > && ... ) )
+    constexpr ScopeGuard( Tys... callables ) requires( ( std::same_as< std::invoke_result_t< Tys >, void > && ... ) )
         : m_callables( std::make_tuple( callables... ) )
     {
     }