[#BloombergLP-bdlt-Datetime-setDatetimeIfValid-03]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::xref:BloombergLP/bdlt/Datetime.adoc[Datetime]::setDatetimeIfValid
:relfileprefix: ../../../
:mrdocs:

`setDatetimeIfValid` overloads

== Synopses

Declared in `<bdlt_datetime.h>`

Set the value of this object to a `Datetime` whose "date" part has the value represented by the specified `date`, and whose "time" part has the value represented by the optionally specified `hour`, `minute`, `second`, `millisecond`, and `microsecond` attributes, if the attribute values (collectively) represent a valid `Datetime` value (see `isValid`). Unspecified trailing optional parameters default to 0. Return 0 on success, and a non‐zero value (with no effect) otherwise.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
xref:BloombergLP/bdlt/Datetime/setDatetimeIfValid-02.adoc[setDatetimeIfValid](
    xref:BloombergLP/bdlt/Date.adoc[Date] const& date,
    int hour = 0,
    int minute = 0,
    int second = 0,
    int millisecond = 0,
    int microsecond = 0);
----

[.small]#xref:BloombergLP/bdlt/Datetime/setDatetimeIfValid-02.adoc[_» more..._]#

Set the "date" part of this object to have the value represented by the specified `year`, `month`, and `day` attributes, and set the "time" part to have the value represented by the optionally specified `hour`, `minute`, `second`, `millisecond`, and `microsecond` attributes, if the eight attribute values (collectively) represent a valid `Datetime` value (see `isValid`). Unspecified trailing optional parameters default to 0. Return 0 on success, and a non‐zero value (with no effect) otherwise.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
xref:BloombergLP/bdlt/Datetime/setDatetimeIfValid-0b.adoc[setDatetimeIfValid](
    int year,
    int month,
    int day,
    int hour = 0,
    int minute = 0,
    int second = 0,
    int millisecond = 0,
    int microsecond = 0);
----

[.small]#xref:BloombergLP/bdlt/Datetime/setDatetimeIfValid-0b.adoc[_» more..._]#


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