[#BloombergLP-bdlbb-BlobUtil-erase]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlbb.adoc[bdlbb]::xref:BloombergLP/bdlbb/BlobUtil.adoc[BlobUtil]::erase
:relfileprefix: ../../../
:mrdocs:

Erase a byte range from the specified blob.

== Synopsis

Declared in `<bdlbb_blobutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
void
erase(
    xref:BloombergLP/bdlbb/Blob.adoc[Blob]* blob,
    int offset,
    int length);
----

== Description

Erase the specified `length` bytes starting at the specified `offset` from the specified `blob`. The behavior is undefined unless `offset >= 0`, `length >= 0`, and `offset + length <= blob‐>length()`.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *blob*
| blob from which bytes are erased
| *offset*
| starting byte offset of the erased range
| *length*
| number of bytes to erase
|===


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