[#bsl-is_member_pointer-0e]
= xref:bsl.adoc[bsl]::is&lowbar;member&lowbar;pointer
:relfileprefix: ../
:mrdocs:

This `struct` template implements the `is&lowbar;member&lowbar;pointer` meta&hyphen;function defined in the C&plus;&plus;11 standard &lsqb;meta&period;unary&period;comp&rsqb;to determine if the (template parameter) `t&lowbar;TYPE` is a member pointer type&period; This `struct` derives from `bsl&colon;&colon;true&lowbar;type` if the `t&lowbar;TYPE` is a member pointer type, and from `bsl&colon;&colon;false&lowbar;type` otherwise&period; Additional specializations are provided below to give the correct answer in all cases&period;

== Synopsis

Declared in `&lt;bslmf&lowbar;ismemberpointer&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;class t&lowbar;TYPE&gt;
struct is&lowbar;member&lowbar;pointer
    : xref:bsl/false_type.adoc[false&lowbar;type]
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `xref:bsl/false_type.adoc[false&lowbar;type]`
| Metafunction representing the boolean constant `false`&period;
|===

== Specializations

[cols="1,4"]
|===
| Name| Description
| xref:bsl/is_member_pointer-06.adoc[`is&lowbar;member&lowbar;pointer&lt;t&lowbar;TARGET&lowbar;TYPEt&lowbar;HOST&lowbar;TYPE::*&gt;`] 
| This partial specialization provides the `true&lowbar;type` result for a (cv&hyphen;unqualified) pointer&hyphen;to&hyphen;member type&period; Note that additional partial specializations are required to handle the cv&hyphen;qualified cases&period;
| xref:bsl/is_member_pointer-03.adoc[`is&lowbar;member&lowbar;pointer&lt;t&lowbar;TARGET&lowbar;TYPE volatilet&lowbar;HOST&lowbar;TYPE::*&gt;`] 
| This partial specialization provides the `true&lowbar;type` result for a `volatile`&hyphen;qualified pointer&hyphen;to&hyphen;member type&period;
| xref:bsl/is_member_pointer-09.adoc[`is&lowbar;member&lowbar;pointer&lt;t&lowbar;TARGET&lowbar;TYPE constt&lowbar;HOST&lowbar;TYPE::*&gt;`] 
| This partial specialization provides the `true&lowbar;type` result for a `const`&hyphen;qualified pointer&hyphen;to&hyphen;member type&period;
| xref:bsl/is_member_pointer-08.adoc[`is&lowbar;member&lowbar;pointer&lt;t&lowbar;TARGET&lowbar;TYPE const volatilet&lowbar;HOST&lowbar;TYPE::*&gt;`] 
| This partial specialization provides the `true&lowbar;type` result for a `const volatile`&hyphen;qualified pointer&hyphen;to&hyphen;member type&period;
|===



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