[#bsl-_Slist_base]
= xref:bsl.adoc[bsl]::_Slist_base
:relfileprefix: ../
:mrdocs:

Allocator‐aware base that owns the sentinel head node of an `slist`.

== Synopsis

Declared in `<bslstp_slist.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class _Tp,
    class _Alloc>
struct _Slist_base;
----

== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:bsl/_Slist_base/_Node.adoc[`_Node`] 
| Node type storing an element of type `_Tp`.
| xref:bsl/_Slist_base/allocator_type.adoc[`allocator_type`] 
| Allocator type for element values.
|===


== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:bsl/_Slist_base/2constructor.adoc[`_Slist_base`]         [.small]#[constructor]#
| Create an empty base using the specified allocator.
| xref:bsl/_Slist_base/2destructor.adoc[`~_Slist_base`] [.small]#[destructor]#
| Destroy all nodes owned by this base.
| xref:bsl/_Slist_base/get_allocator.adoc[`get_allocator`] 
| Return the allocator used by this base.
|===


== Data Members

[cols="1,4"]
|===
| Name| Description
| xref:bsl/_Slist_base/_M_head.adoc[`_M_head`] 
| Sentinel head proxy holding the allocator and next‐pointer.
|===


== Protected Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:bsl/_Slist_base/_M_node_allocator_type.adoc[`_M_node_allocator_type`] 
| Allocator type used to allocate `_Node` objects.
|===


== Protected Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:bsl/_Slist_base/_M_erase_after-08.adoc[`_M_erase_after`] 
| `_M_erase_after` overloads
|===



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