[#BloombergLP-bslma-AutoDestructor-2constructor]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslma.adoc[bslma]::xref:BloombergLP/bslma/AutoDestructor.adoc[AutoDestructor]::AutoDestructor
:relfileprefix: ../../../
:mrdocs:

Create a range proctor to manage an array of objects at the specified `origin`. Optionally specify `length` to define its range, which by default is empty (i.e., `length = 0`). The sequence of objects may extend in either direction from `origin`. A positive `length` represents the sequence of objects starting at `origin` and extending "up" to `length` (_not_ including the object at the index position `origin + length`). A negative `length` represents the sequence of objects starting at one position below `origin` and extending "down" to the absolute value of `length` (including the object at index position `origin + length`). If `length` is 0, then this range proctor manages no objects. The behavior is undefined unless both `origin` and `length` are zero, or `origin` is non‐zero and all objects (if any) within the managed range (as defined by `length`) are valid. Note that when `length` is non‐positive, the object at the origin is _not_ managed by this range proctor. For example, if `origin` is at the index position 2, a `length` of 2 signifies that the objects at positions 2 and 3 are managed, whereas a `length` of ‐2 signifies that the objects at positions 0 and 1 are managed: ` length = ‐2 length = 2 |<‐‐‐‐‐>| |<‐‐‐‐‐>| ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ | 0 | 1 | 2 | 3 | 4 | | 0 | 1 | 2 | 3 | 4 | `#=ˆ#=^===^#=ˆ#=' `#=ˆ#=^===^#=ˆ#=' ˆ‐‐‐‐‐‐‐‐‐‐‐‐ origin ˆ‐‐‐‐‐‐‐‐‐‐‐‐ origin `

== Synopsis

Declared in `<bslma_autodestructor.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
AutoDestructor(
    TYPE* origin,
    int length = 0);
----


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