[#bsl-is_member_pointer-0e]
= xref:bsl.adoc[bsl]::is_member_pointer
:relfileprefix: ../
:mrdocs:

This `struct` template implements the `is_member_pointer` meta‐function defined in the C++11 standard [meta.unary.comp]to determine if the (template parameter) `t_TYPE` is a member pointer type. This `struct` derives from `bsl::true_type` if the `t_TYPE` is a member pointer type, and from `bsl::false_type` otherwise. Additional specializations are provided below to give the correct answer in all cases.

== Synopsis

Declared in `<bslmf_ismemberpointer.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_TYPE>
struct is_member_pointer
    : xref:bsl/false_type.adoc[false_type]
----

== Base Classes

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

== Specializations

[cols="1,4"]
|===
| Name| Description
| xref:bsl/is_member_pointer-06.adoc[`is_member_pointer<t_TARGET_TYPEt_HOST_TYPE::*>`] 
| This partial specialization provides the `true_type` result for a (cv‐unqualified) pointer‐to‐member type. Note that additional partial specializations are required to handle the cv‐qualified cases.
| xref:bsl/is_member_pointer-03.adoc[`is_member_pointer<t_TARGET_TYPE volatilet_HOST_TYPE::*>`] 
| This partial specialization provides the `true_type` result for a `volatile`‐qualified pointer‐to‐member type.
| xref:bsl/is_member_pointer-09.adoc[`is_member_pointer<t_TARGET_TYPE constt_HOST_TYPE::*>`] 
| This partial specialization provides the `true_type` result for a `const`‐qualified pointer‐to‐member type.
| xref:bsl/is_member_pointer-08.adoc[`is_member_pointer<t_TARGET_TYPE const volatilet_HOST_TYPE::*>`] 
| This partial specialization provides the `true_type` result for a `const volatile`‐qualified pointer‐to‐member type.
|===



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