diff options
Diffstat (limited to 'system/doc/design_principles/fsm.xml')
| -rw-r--r-- | system/doc/design_principles/fsm.xml | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/system/doc/design_principles/fsm.xml b/system/doc/design_principles/fsm.xml index bd19b88e2d..7decbb48cd 100644 --- a/system/doc/design_principles/fsm.xml +++ b/system/doc/design_principles/fsm.xml @@ -75,7 +75,7 @@ StateName(Event, StateData) -> -export([init/1, locked/2, open/2]). start_link(Code) -> - gen_fsm:start_link({local, code_lock}, code_lock, Code, []). + gen_fsm:start_link({local, code_lock}, code_lock, lists:reverse(Code, []). button(Digit) -> gen_fsm:send_event(code_lock, {button, Digit}). @@ -106,7 +106,8 @@ open(timeout, State) -> calling <c>code_lock:start_link(Code)</c>:</p> <code type="none"> start_link(Code) -> - gen_fsm:start_link({local, code_lock}, code_lock, Code, []).</code> + gen_fsm:start_link({local, code_lock}, code_lock, lists:reverse(Code), []). + </code> <p><c>start_link</c> calls the function <c>gen_fsm:start_link/4</c>. This function spawns and links to a new process, a gen_fsm.</p> <list type="bulleted"> @@ -130,8 +131,8 @@ start_link(Code) -> corresponding to one process contained in one module.</p> </item> <item> - <p>The third argument, <c>Code</c>, is a term which is passed - as-is to the callback function <c>init</c>. Here, <c>init</c> + <p>The third argument, <c>Code</c>, is a list of digits which is passed + reversed to the callback function <c>init</c>. Here, <c>init</c> gets the correct code for the lock as indata.</p> </item> <item> |