[#BloombergLP-balcl-TypeInfoUtil-satisfiesConstraint-00]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balcl.adoc[balcl]::xref:BloombergLP/balcl/TypeInfoUtil.adoc[TypeInfoUtil]::satisfiesConstraint
:relfileprefix: ../../../
:mrdocs:

Return `true` if the specified `element` satisfies the constraint of `typeInfo`.

== Synopsis

Declared in `<balcl_typeinfo.h>`

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

== Description

Return `true` if the specified `element` 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 `element.type() == typeInfo.type()`.

== Return Value

`true` if `element` satisfies the constraint (or there is none), and `false` otherwise

== Parameters

[cols="1,4"]
|===
| Name| Description
| *element*
| option value to validate
| *typeInfo*
| type and constraint information
|===


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