anchor.diff:  add_schema(Key, Schema) ->
     ValidationFun = fun jesse_schema_validator:is_json_object/1,
     MakeKeyFun    = fun(_) -> Key end,
  -  jesse_database:add_schema(Schema, ValidationFun, MakeKeyFun).
  +  jesse_database:add(Schema, ValidationFun, MakeKeyFun).
   
   %% @doc Equivalent to `add_schema/2', but `Schema' is a binary string, and
   %% the third agument is a parse function to convert the binary string to
  
positive.code:                                                       | {error, term()}.
  validate(Schema, Data) ->
    try
      JsonSchema = jesse_database:read_schema(Schema),
      jesse_schema_validator:validate(JsonSchema, Data)
    catch
      throw:Error ->
  
negative.code: %% the key `Key'.
  -spec del_schema(Key :: any()) -> ok.
  del_schema(Key) ->
    jesse_database:delete(Key).
  
  %% @doc Updates schema definitions in in-memory storage.
  %%
  