[#BloombergLP-bdlar-ChoiceConstRef-2constructor-07]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlar.adoc[bdlar]::xref:BloombergLP/bdlar/ChoiceConstRef.adoc[ChoiceConstRef]::ChoiceConstRef
:relfileprefix: ../../../
:mrdocs:

Constructors

== Synopses

Declared in `<bdlar_choiceref.h>`

Create `ChoiceConstRef` object that wraps the same object as the specified `object`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bdlar/ChoiceConstRef/2constructor-0f.adoc[ChoiceConstRef](xref:BloombergLP/bdlar/ChoiceRef.adoc[ChoiceRef] const& object);
----

[.small]#xref:BloombergLP/bdlar/ChoiceConstRef/2constructor-0f.adoc[_» more..._]#

Create `ChoiceConstRef` object. The behaviour is undefined unless `objectAddress` and `vtable` point to the valid objects.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bdlar/ChoiceConstRef/2constructor-05.adoc[ChoiceConstRef](
    void const* objectAddress,
    xref:BloombergLP/bdlar/ChoiceConstVtable.adoc[ChoiceConstVtable] const* vtable);
----

[.small]#xref:BloombergLP/bdlar/ChoiceConstRef/2constructor-05.adoc[_» more..._]#

Create `ChoiceConstRef` object that type erases the supplied `choice` object.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_CHOICE>
explicit
xref:BloombergLP/bdlar/ChoiceConstRef/2constructor-02.adoc[ChoiceConstRef](
    t_CHOICE const& choice,
    void* = 0)
requires IsChoice<t_CHOICE>::value;
----

[.small]#xref:BloombergLP/bdlar/ChoiceConstRef/2constructor-02.adoc[_» more..._]#


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