[#bsl-basic_ostringstream-operator_lshift-082]
= xref:bsl.adoc[bsl]::xref:bsl/basic_ostringstream.adoc[basic_ostringstream]::operator<<
:relfileprefix: ../../
:mrdocs:

Insert a boolean value into the stream.

== Synopsis

Declared in `<bslstl_ostringstream.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/basic_ostringstream.adoc[BaseStream]&
operator<<(bool value);
----

== Return Value

a reference to this stream

== Parameters

[cols="1,4"]
|===
| Name| Description
| *value*
| value to insert
|===


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