From b0e51d868fc65e939268f8cde3991fbd2522181f Mon Sep 17 00:00:00 2001
From: sha512sum <linuxnyasha@tutanota.com>
Date: Tue, 26 Mar 2024 09:12:44 +0000
Subject: [PATCH] Add Unpack

---
 include/utempl/utils.hpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/utempl/utils.hpp b/include/utempl/utils.hpp
index a12a24d..d4e9c2a 100644
--- a/include/utempl/utils.hpp
+++ b/include/utempl/utils.hpp
@@ -175,6 +175,14 @@ inline constexpr auto Map(Tuple&& tuple, F&& f, TypeList<R> result = {}) {
 };
 
 
+template <TupleLike Tuple, typename F>
+inline constexpr auto Unpack(Tuple&& tuple, F&& f) -> decltype(auto) {
+  return [&]<std::size_t... Is>(std::index_sequence<Is...>) -> decltype(auto) {
+    return f(Get<Is>(std::forward<Tuple>(tuple))...);
+  }(std::make_index_sequence<kTupleSize<Tuple>>());
+};
+
+
 template <TupleLike Tuple>
 inline constexpr auto Reverse(Tuple&& tuple) {
   return [&]<auto... Is>(std::index_sequence<Is...>) {