[#BloombergLP-bbldc-BasicDateRangeDayCountAdapter]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bbldc.adoc[bbldc]::BasicDateRangeDayCountAdapter
:relfileprefix: ../../
:mrdocs:

Adapter from a day‐count `CONVENTION` to `bbldc::DateRangeDayCount`.

== Synopsis

Declared in `<bbldc_basicdaterangedaycountadapter.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class CONVENTION>
class BasicDateRangeDayCountAdapter
    : public xref:BloombergLP/bbldc/DateRangeDayCount.adoc[DateRangeDayCount]
----

== Description

This `class` provides an "adapter" from the specified `CONVENTION` to the `bbldc::DateRangeDayCount` protocol that can be used for determining values based on dates according to the day‐count `CONVENTION`.

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `xref:BloombergLP/bbldc/DateRangeDayCount.adoc[DateRangeDayCount]`
| This `class` provides a protocol for determining values based on dates according to derived implementations of specific day‐count conventions.
|===

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bbldc/BasicDateRangeDayCountAdapter/daysDiff.adoc[`daysDiff`]  [.small]#[virtual]#
| Return the (signed) number of days between two dates.
| xref:BloombergLP/bbldc/BasicDateRangeDayCountAdapter/firstDate.adoc[`firstDate`]  [.small]#[virtual]#
| Return a reference to the earliest valid date (1/1/1).
| xref:BloombergLP/bbldc/BasicDateRangeDayCountAdapter/lastDate.adoc[`lastDate`]  [.small]#[virtual]#
| Return a reference to the latest valid date (9999/12/31).
| xref:BloombergLP/bbldc/BasicDateRangeDayCountAdapter/yearsDiff.adoc[`yearsDiff`]  [.small]#[virtual]#
| Return the (signed fractional) number of years between two dates.
|===



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