erlydtl/test/erlydtl_lib_test1.erl

-module(erlydtl_lib_test1).
-behaviour(erlydtl_lib_test1). %% for test multiple behaviours
-behaviour(erlydtl_library).

-export([version/0, inventory/1, reverse/1]).

-export([behaviour_info/1]).

behaviour_info(callbacks) ->
    [
    ].

version() -> 1.

inventory(filters) -> [reverse];
inventory(tags) -> [].

reverse(String) when is_list(String) ->
    lists:reverse(String);
reverse(String) when is_binary(String) ->
    reverse(binary_to_list(String)).