[#bsl-Deque_BlockProctor-2constructor]
= xref:bsl.adoc[bsl]::xref:bsl/Deque_BlockProctor.adoc[Deque_BlockProctor]::Deque_BlockProctor
:relfileprefix: ../../
:mrdocs:

Create a proctor for empty blocks at one end of `deque`.

== Synopsis

Declared in `<bslstl_deque.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
Deque_BlockProctor(
    xref:bsl/deque-0c.adoc[deque<VALUE_TYPE, ALLOCATOR>]* deque,
    bool atFront);
----

== Description

Create a block proctor object to proctor blocks at one end (i.e., front or back) of the specified `deque` as indicated by the specified `atFront` flag. If `atFront` is `true`, blocks at the front of `deque` are proctored; otherwise, blocks at the back of `deque` are proctored.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *deque*
| deque whose empty blocks are proctored
| *atFront*
| `true` to proctor the front; `false` to proctor the back
|===


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