[#BloombergLP-bsls-TimeInterval_IsDuration-032]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bsls.adoc[bsls]::TimeInterval&lowbar;IsDuration
:relfileprefix: ../../
:mrdocs:

Template metafunction to determine if the specified `TYPE` is a `std&colon;&colon;chrono&colon;&colon;duration`&period;

== Synopsis

Declared in `&lt;bsls&lowbar;timeinterval&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;class TYPE&gt;
struct TimeInterval&lowbar;IsDuration
    : std::false&lowbar;type
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `std::false&lowbar;type`
| 
|===

== Specializations

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bsls/TimeInterval_IsDuration-03f.adoc[`TimeInterval&lowbar;IsDuration&lt;std::chrono::duration&lt;REP, PER&gt;&gt;`] 
| Template metafunction specialization for `std&colon;&colon;chrono&colon;&colon;duration` types&period;
|===



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