[#BloombergLP-bdlbb-Blob-2constructor-09]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlbb.adoc[bdlbb]::xref:BloombergLP/bdlbb/Blob.adoc[Blob]::Blob
:relfileprefix: ../../../
:mrdocs:

Create a blob that initially holds the specified buffers.

== Synopsis

Declared in `<bdlbb_blob.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
Blob(
    xref:BloombergLP/bdlbb/BlobBuffer.adoc[BlobBuffer] const* buffers,
    int numBuffers,
    xref:BloombergLP/bdlbb/BlobBufferFactory.adoc[BlobBufferFactory]* factory,
    xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* basicAllocator = 0);
----

== Description

Create a blob that initially holds the specified `numBuffers` buffers referenced by the specified `buffers`, and uses the specified `factory` to allocate blob buffers. Optionally specify a `basicAllocator` used to supply memory. If `basicAllocator` is 0, the currently installed default allocator is used.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *buffers*
| array of blob buffers to hold initially
| *numBuffers*
| number of buffers in `buffers`
| *factory*
| factory used to allocate blob buffers
| *basicAllocator*
| allocator used to supply memory
|===


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