From d8e5f33458d59fcca1cb0babec00ad7eaef95585 Mon Sep 17 00:00:00 2001
From: Bruno Dutra <brunocodutra@gmail.com>
Date: Wed, 5 Feb 2020 21:45:41 +0100
Subject: [PATCH] avoid ambiguous template instantiation with sort

---
 include/metal/list/sort.hpp | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/include/metal/list/sort.hpp b/include/metal/list/sort.hpp
index 9b953eea..edd361c1 100644
--- a/include/metal/list/sort.hpp
+++ b/include/metal/list/sort.hpp
@@ -142,18 +142,6 @@ namespace metal {
             using type = _merge_impl<x, y, z, expr>;
         };
 
-        template<class x, class z>
-        struct _merge<x, list<>, z> {
-            template<template<class...> class expr>
-            using type = _merge_impl<x, list<>, z, expr>;
-        };
-
-        template<class y, class z>
-        struct _merge<list<>, y, z> {
-            template<template<class...> class expr>
-            using type = _merge_impl<list<>, y, z, expr>;
-        };
-
         template<class seq>
         struct _sort_impl {
             using beg = number<0>;