[#BloombergLP-bdld-operator_lshift-0cb]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdld.adoc[bdld]::operator<<
:relfileprefix: ../../
:mrdocs:

Stream insertion operators

== Synopses

Declared in `<bdld_datum.h>`

Write the value of the specified `rhs` object to the specified output `stream` in a single‐line format.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::ostream&
xref:BloombergLP/bdld/operator_lshift-0b4.adoc[operator<<](
    std::ostream& stream,
    xref:BloombergLP/bdld/DatumBinaryRef.adoc[DatumBinaryRef] const& rhs);
----

[.small]#xref:BloombergLP/bdld/operator_lshift-0b4.adoc[_» more..._]#

Write the value of the specified `rhs` object to the specified output `stream` in a single‐line format, and return a reference to the modifyable `stream`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::ostream&
xref:BloombergLP/bdld/operator_lshift-0ca.adoc[operator<<](
    std::ostream& stream,
    xref:BloombergLP/bdld/DatumError.adoc[DatumError] const& rhs);
----

[.small]#xref:BloombergLP/bdld/operator_lshift-0ca.adoc[_» more..._]#

Write the value of the specified `rhs` object to the specified output `stream` in a single‐line format, and return a reference to the modifyable `stream`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::ostream&
xref:BloombergLP/bdld/operator_lshift-05a.adoc[operator<<](
    std::ostream& stream,
    xref:BloombergLP/bdld/DatumUdt.adoc[DatumUdt] const& rhs);
----

[.small]#xref:BloombergLP/bdld/operator_lshift-05a.adoc[_» more..._]#

Write the specified `rhs` datum to the specified output `stream`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::ostream&
xref:BloombergLP/bdld/operator_lshift-015.adoc[operator<<](
    std::ostream& stream,
    xref:BloombergLP/bdld/Datum.adoc[Datum] const& rhs);
----

[.small]#xref:BloombergLP/bdld/operator_lshift-015.adoc[_» more..._]#

Write the string representation of `rhs` to `stream`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::ostream&
xref:BloombergLP/bdld/operator_lshift-0b3.adoc[operator<<](
    std::ostream& stream,
    xref:BloombergLP/bdld/Datum/DataType.adoc[Datum::DataType] rhs);
----

[.small]#xref:BloombergLP/bdld/operator_lshift-0b3.adoc[_» more..._]#

Write the specified array reference to the specified output stream.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::ostream&
xref:BloombergLP/bdld/operator_lshift-034.adoc[operator<<](
    std::ostream& stream,
    xref:BloombergLP/bdld/DatumArrayRef.adoc[DatumArrayRef] const& rhs);
----

[.small]#xref:BloombergLP/bdld/operator_lshift-034.adoc[_» more..._]#

Write the specified int‐map entry to the specified output stream.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::ostream&
xref:BloombergLP/bdld/operator_lshift-033.adoc[operator<<](
    std::ostream& stream,
    xref:BloombergLP/bdld/DatumIntMapEntry.adoc[DatumIntMapEntry] const& rhs);
----

[.small]#xref:BloombergLP/bdld/operator_lshift-033.adoc[_» more..._]#

Write the specified int‐map reference to the specified output stream.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::ostream&
xref:BloombergLP/bdld/operator_lshift-0c0.adoc[operator<<](
    std::ostream& stream,
    xref:BloombergLP/bdld/DatumIntMapRef.adoc[DatumIntMapRef] const& rhs);
----

[.small]#xref:BloombergLP/bdld/operator_lshift-0c0.adoc[_» more..._]#

Write the specified map entry to the specified output stream.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::ostream&
xref:BloombergLP/bdld/operator_lshift-01f.adoc[operator<<](
    std::ostream& stream,
    xref:BloombergLP/bdld/DatumMapEntry.adoc[DatumMapEntry] const& rhs);
----

[.small]#xref:BloombergLP/bdld/operator_lshift-01f.adoc[_» more..._]#

Write the specified map reference to the specified output stream.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::ostream&
xref:BloombergLP/bdld/operator_lshift-0b8.adoc[operator<<](
    std::ostream& stream,
    xref:BloombergLP/bdld/DatumMapRef.adoc[DatumMapRef] const& rhs);
----

[.small]#xref:BloombergLP/bdld/operator_lshift-0b8.adoc[_» more..._]#

Write the specified `rhs` value to the specified output `stream`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::ostream&
xref:BloombergLP/bdld/operator_lshift-05d.adoc[operator<<](
    std::ostream& stream,
    xref:BloombergLP/bdld/ManagedDatum.adoc[ManagedDatum] const& rhs);
----

[.small]#xref:BloombergLP/bdld/operator_lshift-05d.adoc[_» more..._]#

== Return Value

* reference to `stream`
* reference to the modifyable `stream`
* a reference to `stream`
* reference to the modifiable `stream`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *stream*
| output stream
| *rhs*
| object to write
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#