From 4a1f343dbc9abc6dd5d2e6181e105921ebf409c1 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Fri, 12 Mar 2021 04:55:25 +0200
Subject: [PATCH] Add VS2013 workaround

---
 include/boost/mp11/algorithm.hpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/include/boost/mp11/algorithm.hpp b/include/boost/mp11/algorithm.hpp
index 1b94f7e..f936a67 100644
--- a/include/boost/mp11/algorithm.hpp
+++ b/include/boost/mp11/algorithm.hpp
@@ -1247,11 +1247,23 @@ template<class L, class S> struct mp_intersperse_impl
 {
 };
 
+#if BOOST_MP11_WORKAROUND( BOOST_MP11_MSVC, <= 1800 )
+
+template<template<class...> class L, class... T> struct mp_intersperse_impl<L<T...>, S>
+{
+    static_assert( sizeof...(T) == 0, "T... must be empty" );
+    using type = L<>;
+};
+
+#else
+
 template<template<class...> class L, class S> struct mp_intersperse_impl<L<>, S>
 {
     using type = L<>;
 };
 
+#endif
+
 template<template<class...> class L, class T1, class... T, class S> struct mp_intersperse_impl<L<T1, T...>, S>
 {
     using type = mp_append<L<T1>, L<S, T>...>;