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

Prefixed output operations sentry type for this stream.

== Synopsis

Declared in `<bslstl_ostringstream.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
class sentry
    : public BaseStream::sentry
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `BaseStream::sentry`
| 
|===

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:bsl/basic_ostringstream/sentry/2constructor.adoc[`sentry`]         [.small]#[constructor]#
| Prepare `outputStream` for formatted or unformatted output.
|===



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