[#BloombergLP-balcl-TypeInfoUtil-satisfiesConstraint-03]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balcl.adoc[balcl]::xref:BloombergLP/balcl/TypeInfoUtil.adoc[TypeInfoUtil]::satisfiesConstraint
:relfileprefix: ../../../
:mrdocs:

Return `true` if the value at the specified `variable` satisfies the constraint of the specified `typeInfo` object (if any), and `false` otherwise. Optionally specify a `stream`; if `stream` is specified and validation fails, a descriptive error message indicating the reason for the failure is written to `stream`. If `typeInfo` holds no constraint, this method returns `true`. The behavior is undefined unless `variable` can be (validly) cast to `OptionType<ENUM>::EnumToType::type *` where `ENUM` matches `typeInfo.type()`.

== Synopsis

Declared in `<balcl_typeinfo.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
bool
satisfiesConstraint(
    void const* variable,
    xref:BloombergLP/balcl/TypeInfo.adoc[TypeInfo] const& typeInfo);
----


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