Rework hashing, use a more extensible framework similar to n3876 proposal

std::hash specialization is a pain to work with, stop using that, and
just specialize a 'size_t hash_value(const T&)' free function.

1 files changed, 1 insertions, 13 deletions

diff --git a/src/keymap_manager.cc b/src/keymap_manager.cc
index 0d376a1b..74323a84 100644
--- a/src/keymap_manager.cc
+++ b/src/keymap_manager.cc
@@ -1,19 +1,7 @@
 #include "keymap_manager.hh"
 
 #include "memoryview.hh"
-
-namespace std
-{
-
-template<> struct hash<Kakoune::KeymapMode>
-{
-    size_t operator()(Kakoune::KeymapMode val) const
-    {
-        return hash<int>{}((int)val);
-    }
-};
-
-}
+#include "assert.hh"
 
 namespace Kakoune
 {