From 4756e5329255aa5181823f9ccde3d87162af7eda Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kjist=C3=B3f?= <mrtoth@strongds.hu>
Date: Sun, 27 Nov 2016 14:34:23 +0100
Subject: [PATCH] added some comments to explain the code

---
 Function.hpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Function.hpp b/Function.hpp
index 1197f01..df71afc 100644
--- a/Function.hpp
+++ b/Function.hpp
@@ -3,15 +3,15 @@
 
 
 
-template <typename Fun>
+template <typename Fun>     // here Fun will be a function signature
 class Function;
 
 
-template <typename Ret, typename... Args>
+template <typename Ret, typename... Args>       // specialization, so we can work
 class Function<Ret(Args...)>
 {
 private:
-    class callable_base
+    class callable_base     // type-erasure magic for functors
     {
     public:
         virtual Ret call(Args...) const = 0;
@@ -52,7 +52,7 @@ public:
         return *this;
     }
 
-    Function& operator=(std::nullptr_t)
+    Function& operator=(std::nullptr_t)     // exploiting that decltype(nullptr) is std::nullptr_t
     { _is_null = true; }
 
     Ret operator()(Args... args) const