[#BloombergLP-baltzo-swap-02]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/baltzo.adoc[baltzo]::swap
:relfileprefix: ../../
:mrdocs:

Exchange the values of the specified `a` and `b` objects.

== Synopsis

Declared in `<baltzo_localdatetime.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
swap(
    xref:BloombergLP/baltzo/LocalDatetime.adoc[LocalDatetime]& a,
    xref:BloombergLP/baltzo/LocalDatetime.adoc[LocalDatetime]& b);
----

== Description

This function provides the no‐throw exception‐safety guarantee if the two objects were created with the same allocator and the basic guarantee otherwise.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *a*
| the first object
| *b*
| the second object
|===


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