Merge branch 'add_semaphore_python_bindings' into 'master'

[simgrid.git] / include / xbt / functional.hpp

diff --git a/include/xbt/functional.hpp b/include/xbt/functional.hpp
index b869563..9509d49 100644 (file)
--- a/include/xbt/functional.hpp
+++ b/include/xbt/functional.hpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2015-2020. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2015-2022. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
@@ -37,11 +37,10 @@ public:
   }
   void operator()() const
   {
-    const int argc                = args_->size();
     std::vector<std::string> args = *args_;
     std::vector<char*> argv(args.size() + 1); // argv[argc] is nullptr
     std::transform(begin(args), end(args), begin(argv), [](std::string& s) { return &s.front(); });
-    code_(argc, argv.data());
+    code_(static_cast<int>(args.size()), argv.data());
   }
 };
 
@@ -77,11 +76,10 @@ constexpr auto apply(F&& f, Tuple&& t, std::index_sequence<I...>)
 template <class F, class Tuple>
 constexpr auto apply(F&& f, Tuple&& t) -> decltype(
     simgrid::xbt::bits::apply(std::forward<F>(f), std::forward<Tuple>(t),
-                              std::make_index_sequence<std::tuple_size<typename std::decay<Tuple>::type>::value>()))
+                              std::make_index_sequence<std::tuple_size<typename std::decay_t<Tuple>>::value>()))
 {
-  return simgrid::xbt::bits::apply(
-      std::forward<F>(f), std::forward<Tuple>(t),
-      std::make_index_sequence<std::tuple_size<typename std::decay<Tuple>::type>::value>());
+  return simgrid::xbt::bits::apply(std::forward<F>(f), std::forward<Tuple>(t),
+                                   std::make_index_sequence<std::tuple_size<typename std::decay_t<Tuple>>::value>());
 }
 
 template<class T> class Task;
@@ -99,8 +97,8 @@ class Task<R(Args...)> {
   struct whatever {};
 
   // Union used for storage:
-  using TaskUnion = typename std::aligned_union<0, void*, std::pair<void (*)(), void*>,
-                                                std::pair<void (whatever::*)(), whatever*>>::type;
+  using TaskUnion =
+      typename std::aligned_union_t<0, void*, std::pair<void (*)(), void*>, std::pair<void (whatever::*)(), whatever*>>;
 
   // Is F suitable for small buffer optimization?
   template<class F>
@@ -127,7 +125,7 @@ class Task<R(Args...)> {
     move_function move;
   };
 
-  TaskUnion buffer_;
+  TaskUnion buffer_         = {};
   const TaskVtable* vtable_ = nullptr;
 
   void clear()
@@ -151,7 +149,7 @@ public:
     if (that.vtable_ && that.vtable_->move)
       that.vtable_->move(buffer_, that.buffer_);
     else
-      std::memcpy(static_cast<void*>(&buffer_), static_cast<void*>(&that.buffer_), sizeof(buffer_));
+      std::memcpy(&buffer_, &that.buffer_, sizeof(buffer_));
     vtable_      = std::move(that.vtable_);
     that.vtable_ = nullptr;
   }
@@ -162,16 +160,14 @@ public:
     if (that.vtable_ && that.vtable_->move)
       that.vtable_->move(buffer_, that.buffer_);
     else
-      std::memcpy(static_cast<void*>(&buffer_), static_cast<void*>(&that.buffer_), sizeof(buffer_));
+      std::memcpy(&buffer_, &that.buffer_, sizeof(buffer_));
     vtable_      = std::move(that.vtable_);
     that.vtable_ = nullptr;
     return *this;
   }
 
 private:
-  template<class F>
-  typename std::enable_if<canSBO<F>()>::type
-  init(F code)
+  template <class F> typename std::enable_if_t<canSBO<F>()> init(F task_code)
   {
     const static TaskVtable vtable {
       // Call:
@@ -197,11 +193,11 @@ private:
         src_code->~F();
       }
     };
-    new(&buffer_) F(std::move(code));
+    new (&buffer_) F(std::move(task_code));
     vtable_ = &vtable;
   }
 
-  template <class F> typename std::enable_if<not canSBO<F>()>::type init(F code)
+  template <class F> typename std::enable_if_t<not canSBO<F>()> init(F task_code)
   {
     const static TaskVtable vtable {
       // Call:
@@ -219,7 +215,7 @@ private:
       // Move:
       nullptr
     };
-    *reinterpret_cast<F**>(&buffer_) = new F(std::move(code));
+    *reinterpret_cast<F**>(&buffer_) = new F(std::move(task_code));
     vtable_ = &vtable;
   }