[#bsl-is_pointer-0c]
= xref:bsl.adoc[bsl]::is_pointer
:relfileprefix: ../
:mrdocs:

This `struct` template implements the `is_pointer` meta‐function defined in the C++11 standard [meta.unary.cat]to determine if the (template parameter) `t_TYPE` is a pointer. This `struct` derives from `bsl::true_type` if the `t_TYPE` is a pointer type (but not a pointer‐to‐non‐static‐member type), and `bsl::false_type` otherwise.

== Synopsis

Declared in `<bslmf_ispointer.h>`

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

== Base Classes

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

== Specializations

[cols="1,4"]
|===
| Name| Description
| xref:bsl/is_pointer-0d.adoc[`is_pointer<t_TYPE*>`] 
| This partial specialization of `is_pointer` derives from `bsl::true_type` for when the (template parameter) `t_TYPE` is a (cv‐unqalified) pointer type.
| xref:bsl/is_pointer-0f.adoc[`is_pointer<t_TYPE volatile*>`] 
| This partial specialization of `is_pointer` derives from `bsl::true_type` for when the (template parameter) `t_TYPE` is a `volatile` qualified pointer type.
| xref:bsl/is_pointer-0a.adoc[`is_pointer<t_TYPE const*>`] 
| This partial specialization of `is_pointer` derives from `bsl::true_type` for when the (template parameter) `t_TYPE` is a `const` qualified pointer type.
| xref:bsl/is_pointer-04.adoc[`is_pointer<t_TYPE const volatile*>`] 
| This partial specialization of `is_pointer` derives from `bsl::true_type` for when the (template parameter) `t_TYPE` is a 'const volatile' qualified pointer type.
|===



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