Use a sorted array for keymap rather than an unordered map

with ~100 entry, a binary search finds in < 7 step, unordered map
is overkill.

1 files changed, 3 insertions, 2 deletions

diff --git a/src/normal.hh b/src/normal.hh
index 7f90075d..4a453415 100644
--- a/src/normal.hh
+++ b/src/normal.hh
@@ -18,12 +18,13 @@ struct NormalParams
 
 struct NormalCmdDesc
 {
+    Key key;
     StringView docstring;
     void (*func)(Context& context, NormalParams params);
 };
 
-using KeyMap = UnorderedMap<Key, NormalCmdDesc>;
-extern const KeyMap keymap;
+using KeyMap = Vector<NormalCmdDesc>;
+extern KeyMap keymap;
 
 }