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-rw-r--r--system/doc/design_principles/statem.xml11
1 files changed, 11 insertions, 0 deletions
diff --git a/system/doc/design_principles/statem.xml b/system/doc/design_principles/statem.xml
index f627145f9f..8e7f496d9e 100644
--- a/system/doc/design_principles/statem.xml
+++ b/system/doc/design_principles/statem.xml
@@ -1180,6 +1180,17 @@ open(state_timeout, lock, Data) ->
{next_state, locked, Data};
...
]]></code>
+ <p>
+ You can repeat the state entry code by returning one of
+ <c>{repeat_state, ...}</c>, <c>{repeat_state_and_data,_}</c>
+ or <c>repeat_state_and_data</c> that otherwise behaves
+ exactly like their <c>keep_state</c> siblings.
+ See the type
+ <seealso marker="stdlib:gen_statem#type-state_callback_result">
+ <c>state_callback_result()</c>
+ </seealso>
+ in the reference manual.
+ </p>
</section>
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