[#BloombergLP-bdlt-CalendarUtil-shiftModifiedFollowingIfValid]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::xref:BloombergLP/bdlt/CalendarUtil.adoc[CalendarUtil]::shiftModifiedFollowingIfValid
:relfileprefix: ../../../
:mrdocs:

Shift using modified‐following convention if valid.

== Synopsis

Declared in `<bdlt_calendarutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
int
shiftModifiedFollowingIfValid(
    xref:BloombergLP/bdlt/Date.adoc[bdlt::Date]* result,
    xref:BloombergLP/bdlt/Date.adoc[bdlt::Date] const& original,
    xref:BloombergLP/bdlt/Calendar.adoc[bdlt::Calendar] const& calendar);
----

== Description

Load, into the specified `result`, the date of the chronologically earliest business day that is on or after the specified `original` date, unless a date cannot be found in the same month, in which case load the chronologically latest business day before the `original` date based on the specified `calendar`. Return 0 on success, and a non‐zero value, without modifying `*result`, if the `original` date is not within the valid range of `calendar` or a valid business date cannot be found according to the above algorithm within the valid range of `calendar`.

== Return Value

0 on success, non‐zero on failure

== Parameters

[cols="1,4"]
|===
| Name| Description
| *result*
| destination for the shifted date
| *original*
| starting date
| *calendar*
| calendar used for business‐day determination
|===


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