[#BloombergLP-bdlt-Calendar-isInRange]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::xref:BloombergLP/bdlt/Calendar.adoc[Calendar]::isInRange
:relfileprefix: ../../../
:mrdocs:

Return `true` if the specified `date` is within the valid range of this calendar (i.e., `firstDate() <= date <= lastDate()`), and `false` otherwise. Note that the valid range for a `Calendar` is empty if its length is 0.

== Synopsis

Declared in `<bdlt_calendar.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
isInRange(xref:BloombergLP/bdlt/Date.adoc[Date] const& date) const;
----


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