[#BloombergLP-bsls-TimeInterval-2constructor-002]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bsls.adoc[bsls]::xref:BloombergLP/bsls/TimeInterval.adoc[TimeInterval]::TimeInterval
:relfileprefix: ../../../
:mrdocs:

Create a time interval having the value represented by the specified `duration`. Only integer representations of `duration` are supported (i.e. `REP_TYPE` is integer). If the `duration` can be represented _exactly_ by an integer nanoseconds this constructor will be implicit. Otherwise, the constructor will be explicit. The behavior is undefined unless the `duration` can be converted to a valid `TimeInterval` object, whose `seconds` field may have any 64‐bit signed integer value and `nanoseconds` field limited to the range `[ ‐999,999,999..999,999,999 ]`. Note that the current implementation of the lossy conversions (e.g., fractions of a nanosecond) truncates the values towards zero, however this behavior may change without notice in the future, so _do not_ rely on this.

== Synopsis

Declared in `<bsls_timeinterval.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class REP_TYPE,
    class PERIOD_TYPE>
constexpr
TimeInterval(
    std::chrono::duration<REP_TYPE, PERIOD_TYPE> const& duration,
    int* = 0)
requires TimeInterval_DurationTraits<
                                   REP_TYPE,
                                   PERIOD_TYPE>::k_IMPLICIT_CONVERSION_ENABLED;
----


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