Regress this iterator to the previous transition.
Synopsis
Declared in <bdlt_timetable.h>
Timetable_ConstIterator&
operator‐‐();
Description
Regress this iterator to refer to the previous transition in the associated timetable, and return a reference providing modifiable access to this object. The behavior is undefined unless, on entry, this iterator references a valid transition that is not the first transition of the associated timetable.
Return Value
reference to this iterator after regression
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