[#BloombergLP-bdlt-operator_dec-0a]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::operator‐‐
:relfileprefix: ../../
:mrdocs:

Decrement operators

== Synopses

Declared in `<bdlt_calendar.h>`

Regress `iterator` to the previous business day and return its prior value.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bdlt/Calendar_BusinessDayConstIter.adoc[Calendar_BusinessDayConstIter]
xref:BloombergLP/bdlt/operator_dec-052.adoc[operator‐‐](
    xref:BloombergLP/bdlt/Calendar_BusinessDayConstIter.adoc[Calendar_BusinessDayConstIter]& iterator,
    int unused);
----

[.small]#xref:BloombergLP/bdlt/operator_dec-052.adoc[_» more..._]#

Move `date` earlier by one day and return its previous value.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bdlt/Date.adoc[bdlt::Date]
xref:BloombergLP/bdlt/operator_dec-01.adoc[operator‐‐](
    xref:BloombergLP/bdlt/Date.adoc[Date]& date,
    int unused);
----

[.small]#xref:BloombergLP/bdlt/operator_dec-01.adoc[_» more..._]#

Regress `iterator` to the previous business day and return its previous value.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bdlt/PackedCalendar_BusinessDayConstIterator.adoc[bdlt::PackedCalendar_BusinessDayConstIterator]
xref:BloombergLP/bdlt/operator_dec-05f.adoc[operator‐‐](
    xref:BloombergLP/bdlt/PackedCalendar_BusinessDayConstIterator.adoc[PackedCalendar_BusinessDayConstIterator]& iterator,
    int unused);
----

[.small]#xref:BloombergLP/bdlt/operator_dec-05f.adoc[_» more..._]#

Regress `iterator` to the previous holiday code and return its previous value.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bdlt/PackedCalendar_HolidayCodeConstIterator.adoc[bdlt::PackedCalendar_HolidayCodeConstIterator]
xref:BloombergLP/bdlt/operator_dec-02.adoc[operator‐‐](
    xref:BloombergLP/bdlt/PackedCalendar_HolidayCodeConstIterator.adoc[PackedCalendar_HolidayCodeConstIterator]& iterator,
    int unused);
----

[.small]#xref:BloombergLP/bdlt/operator_dec-02.adoc[_» more..._]#

Regress `iterator` to the previous holiday and return its previous value.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bdlt/PackedCalendar_HolidayConstIterator.adoc[bdlt::PackedCalendar_HolidayConstIterator]
xref:BloombergLP/bdlt/operator_dec-0e.adoc[operator‐‐](
    xref:BloombergLP/bdlt/PackedCalendar_HolidayConstIterator.adoc[PackedCalendar_HolidayConstIterator]& iterator,
    int unused);
----

[.small]#xref:BloombergLP/bdlt/operator_dec-0e.adoc[_» more..._]#

Regress `iterator` and return its previous value.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bdlt/Timetable_ConstIterator.adoc[bdlt::Timetable_ConstIterator]
xref:BloombergLP/bdlt/operator_dec-0b.adoc[operator‐‐](
    xref:BloombergLP/bdlt/Timetable_ConstIterator.adoc[Timetable_ConstIterator]& iterator,
    int unused);
----

[.small]#xref:BloombergLP/bdlt/operator_dec-0b.adoc[_» more..._]#

Regress `iterator` and return a copy of its prior value.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class ITERATOR>
xref:BloombergLP/bdlt/CalendarReverseIteratorAdapter.adoc[bdlt::CalendarReverseIteratorAdapter<ITERATOR>]
xref:BloombergLP/bdlt/operator_dec-04.adoc[operator‐‐](
    xref:BloombergLP/bdlt/CalendarReverseIteratorAdapter.adoc[CalendarReverseIteratorAdapter<ITERATOR>]& iterator,
    int unused);
----

[.small]#xref:BloombergLP/bdlt/operator_dec-04.adoc[_» more..._]#

== Return Value

* the previous value of `iterator`
* previous value of `date`
* iterator referring to the original element
* a reverse iterator having the pre‐decrement value of `iterator`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *iterator*
| iterator to regress
| *unused*
| unused argument distinguishing the postfix operator
| *date*
| date to move earlier
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#