From aefef6dce2a9c76297f66b06729ffb62d5432c06 Mon Sep 17 00:00:00 2001
From: Arun M <arun11299@gmail.com>
Date: Wed, 2 May 2018 21:51:33 +0530
Subject: [PATCH] Compilation issue in VS2017 #12

---
 include/jwt/impl/jwt.ipp | 9 +++++----
 include/jwt/jwt.hpp      | 4 ++--
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/include/jwt/impl/jwt.ipp b/include/jwt/impl/jwt.ipp
index 0ba78a1..b2de1cd 100644
--- a/include/jwt/impl/jwt.ipp
+++ b/include/jwt/impl/jwt.ipp
@@ -290,13 +290,14 @@ jwt_signature::get_verify_algorithm_impl(const jwt_header& hdr) const noexcept
 
 
 //
-template <typename... Args>
-jwt_object::jwt_object(Args&&... args)
+template <typename First, typename... Rest>
+jwt_object::jwt_object(First&& first, Rest&&... rest)
 {
-  static_assert (detail::meta::are_all_params<Args...>::value,
+  static_assert (detail::meta::is_parameter_concept<First>::value && 
+                 detail::meta::are_all_params<Rest...>::value,
       "All constructor argument types must model ParameterConcept");
 
-  set_parameters(std::forward<Args>(args)...);
+  set_parameters(std::forward<First>(first), std::forward<Rest>(rest)...);
 }
 
 template <typename Map, typename... Rest>
diff --git a/include/jwt/jwt.hpp b/include/jwt/jwt.hpp
index 2e4e527..d627c0f 100644
--- a/include/jwt/jwt.hpp
+++ b/include/jwt/jwt.hpp
@@ -850,8 +850,8 @@ public: // 'tors
    * containers which models `MappingConcept` (see `meta::is_mapping_concept`)
    * to populate header. Not much useful unless JWE is supported.
    */
-  template <typename... Args>
-  jwt_object(Args&&... args);
+  template <typename First, typename... Rest>
+  jwt_object(First&& first, Rest&&... rest);
 
 public: // Exposed static APIs
   /**