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-rw-r--r--lib/stdlib/src/gen_statem.erl19
1 files changed, 11 insertions, 8 deletions
diff --git a/lib/stdlib/src/gen_statem.erl b/lib/stdlib/src/gen_statem.erl
index 018aca90e6..b6b02a47bc 100644
--- a/lib/stdlib/src/gen_statem.erl
+++ b/lib/stdlib/src/gen_statem.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2016. All Rights Reserved.
+%% Copyright Ericsson AB 2016-2017. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -47,15 +47,17 @@
%% Type exports for templates and callback modules
-export_type(
[event_type/0,
- init_result/0,
callback_mode_result/0,
- state_function_result/0,
- handle_event_result/0,
+ init_result/1,
state_enter_result/1,
event_handler_result/1,
reply_action/0,
enter_action/0,
action/0]).
+%% Old types, not advertised
+-export_type(
+ [state_function_result/0,
+ handle_event_result/0]).
%% Type that is exported just to be documented
-export_type([transition_option/0]).
@@ -143,9 +145,10 @@
{'reply', % Reply to a caller
From :: from(), Reply :: term()}.
--type init_result() ::
- {ok, state(), data()} |
- {ok, state(), data(), [action()] | action()} |
+-type init_result(StateType) ::
+ {ok, State :: StateType, Data :: data()} |
+ {ok, State :: StateType, Data :: data(),
+ Actions :: [action()] | action()} |
'ignore' |
{'stop', Reason :: term()}.
@@ -201,7 +204,7 @@
%% the server is not running until this function has returned
%% an {ok, ...} tuple. Thereafter the state callbacks are called
%% for all events to this server.
--callback init(Args :: term()) -> init_result().
+-callback init(Args :: term()) -> init_result(state()).
%% This callback shall return the callback mode of the callback module.
%%