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| author | Raimo Niskanen <[email protected]> | 2017-01-24 14:15:26 +0100 |
|---|---|---|
| committer | Raimo Niskanen <[email protected]> | 2017-01-30 14:35:23 +0100 |
| commit | 85e9fed232a6d89e3659cabbb2169cf3e21127e3 (patch) | |
| tree | 8b45b6d2f537edbe7f85681308e3240b1e7acab6 /system/doc/design_principles | |
| parent | 60f8840e8e62dece4a7e2e58f0d9e487c4e8018f (diff) | |
| download | otp-85e9fed232a6d89e3659cabbb2169cf3e21127e3.tar.gz otp-85e9fed232a6d89e3659cabbb2169cf3e21127e3.tar.bz2 otp-85e9fed232a6d89e3659cabbb2169cf3e21127e3.zip | |
Implement repeat_state and repeat_state_and_data
Diffstat (limited to 'system/doc/design_principles')
| -rw-r--r-- | system/doc/design_principles/statem.xml | 11 |
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> <!-- =================================================================== --> |