[#BloombergLP-bsls-TimeInterval_IsDuration-032]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bsls.adoc[bsls]::TimeInterval_IsDuration
:relfileprefix: ../../
:mrdocs:

Template metafunction to determine if the specified `TYPE` is a `std::chrono::duration`.

== Synopsis

Declared in `<bsls_timeinterval.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class TYPE>
struct TimeInterval_IsDuration
    : std::false_type
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `std::false_type`
| 
|===

== Specializations

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bsls/TimeInterval_IsDuration-03f.adoc[`TimeInterval_IsDuration<std::chrono::duration<REP, PER>>`] 
| Template metafunction specialization for `std::chrono::duration` types.
|===



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