memory leak problems with tetris poop

src/fd_sfc_cache.erl

@@ -57,18 +57,11 @@ new2(BasePath) ->
             true  -> filename:absname(BasePath);
             false -> filename:absname(filename:dirname(BasePath))
         end,
-    %% hacky, fuck you
-    RemovePrefix =
-        fun (Prefix, Size, From) ->
-            <<Prefix:Size/bytes, Rest/bytes>> = From,
-            Rest
-        end,
     BBaseDir = unicode:characters_to_binary(BaseDir),
-    BBS      = byte_size(BBaseDir),
     HandlePath =
         fun(AbsPath, AccCache) ->
             BAbsPath = unicode:characters_to_binary(AbsPath),
-            HttpPath = RemovePrefix(BBaseDir, BBS, BAbsPath),
+            HttpPath = remove_prefix(BBaseDir, BAbsPath),
             NewCache =
                 case fd_sfc_entry:new(AbsPath) of
                     {found, Entry} -> maps:put(HttpPath, Entry, AccCache);
@@ -81,3 +74,8 @@ new2(BasePath) ->
                        _recursive = true,
                        _fun       = HandlePath,
                        _init_acc  = #{}).
+
+remove_prefix(Prefix, From) ->
+    Size = byte_size(Prefix),
+    <<Prefix:Size/bytes, Rest/bytes>> = From,
+    Rest.