[#BloombergLP-balcl-TypeInfo-setConstraint-07]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balcl.adoc[balcl]::xref:BloombergLP/balcl/TypeInfo.adoc[TypeInfo]::setConstraint
:relfileprefix: ../../../
:mrdocs:

Set the constraint of the described option to the specified `constraint`. The behavior is undefined unless the option associated with `constraint` has the same type as the option associated with this object. Note that the linked variable, if any, is unchanged by this method.

== Synopsis

Declared in `<balcl_typeinfo.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
setConstraint(xref:bsl/shared_ptr-0a.adoc[bsl::shared_ptr<TypeInfoConstraint>] const& constraint);
----


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