From 19935161c612fca4534002651dca08050ff2a1e3 Mon Sep 17 00:00:00 2001
From: Simon Praetorius <simon.praetorius@tu-dresden.de>
Date: Wed, 1 May 2019 15:21:17 +0200
Subject: [PATCH] extend apply and for_each functions
---
src/amdis/common/Apply.hpp | 7 +++++++
src/amdis/common/ForEach.hpp | 11 +++++++++++
2 files changed, 18 insertions(+)
diff --git a/src/amdis/common/Apply.hpp b/src/amdis/common/Apply.hpp
index 21e2fef0..46073a01 100644
--- a/src/amdis/common/Apply.hpp
+++ b/src/amdis/common/Apply.hpp
@@ -41,6 +41,13 @@ namespace AMDiS
return apply(FWD(f), std::forward_as_tuple(args...));
}
+ template <std::size_t N, class Functor>
+ constexpr decltype(auto) apply_indices(Functor&& f)
+ {
+ return Impl_::apply_indices_impl(FWD(f), index_t<0>{},
+ std::make_index_sequence<N>{});
+ }
+
template <class Functor, std::size_t N>
constexpr decltype(auto) apply_indices(Functor&& f, index_t<N>)
{
diff --git a/src/amdis/common/ForEach.hpp b/src/amdis/common/ForEach.hpp
index 7768a561..f64d6177 100644
--- a/src/amdis/common/ForEach.hpp
+++ b/src/amdis/common/ForEach.hpp
@@ -15,6 +15,17 @@ namespace AMDiS
void ignored_evaluation(std::initializer_list<T>&&) { /* do nothing */ }
}
+ template <class Functor, class... Args>
+ constexpr void for_variadic(Functor&& f, Args&&... args)
+ {
+ using std::get;
+#if AMDIS_HAS_CXX_FOLD_EXPRESSIONS
+ (f(FWD(args)),...);
+#else
+ Impl_::ignored_evaluation<int>({0, (f(FWD(args)), 0)...});
+#endif
+ }
+
template <std::size_t... I, class Tuple, class Functor>
constexpr void for_each(std::index_sequence<I...>, Tuple&& tuple, Functor&& f)
{
--
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