From d7fb6201cbe830c2aef35b3fd0df040f9eae6d4d Mon Sep 17 00:00:00 2001
From: Gavin Ridley <gavin.keith.ridley@gmail.com>
Date: Tue, 31 Dec 2019 14:42:14 -0500
Subject: [PATCH] now compiles in nvcc 10.2

---
 include/mpark/variant.hpp | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/mpark/variant.hpp b/include/mpark/variant.hpp
index ef496619b..f4848db88 100644
--- a/include/mpark/variant.hpp
+++ b/include/mpark/variant.hpp
@@ -2001,20 +2001,20 @@ namespace mpark {
 #ifdef MPARK_CPP14_CONSTEXPR
   namespace detail {
 
-    inline constexpr bool all(std::initializer_list<bool> bs) {
+    inline constexpr bool any(std::initializer_list<bool> bs) {
       for (bool b : bs) {
-        if (!b) {
-          return false;
+        if (b) {
+          return true;
         }
       }
-      return true;
+      return false;
     }
 
   }  // namespace detail
 
   template <typename Visitor, typename... Vs>
   inline constexpr decltype(auto) visit(Visitor &&visitor, Vs &&... vs) {
-    return (detail::all({!vs.valueless_by_exception()...})
+    return (!detail::any({vs.valueless_by_exception()...})
                 ? (void)0
                 : throw_bad_variant_access()),
            detail::visitation::variant::visit_value(