Add FacadeFuzz

KeyCompare.h

@@ -0,0 +1,18 @@
+#pragma once
+
+#include "VersionedMap.h"
+
+#include <algorithm>
+#include <string.h>
+
+inline auto operator<=>(const weaselab::VersionedMap::Key &lhs,
+                        const weaselab::VersionedMap::Key &rhs) {
+  int cl = std::min(lhs.len, rhs.len);
+  if (cl > 0) {
+    int c = memcmp(lhs.p, rhs.p, cl);
+    if (c != 0) {
+      return c <=> 0;
+    }
+  }
+  return lhs.len <=> rhs.len;
+}