[#BloombergLP-balst-operator_lshift-022]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balst.adoc[balst]::operator<<
:relfileprefix: ../../
:mrdocs:

Stream a multiline stack trace for the specified `object` to `stream`.

== Synopsis

Declared in `<balst_stacktraceprinter.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::ostream&
operator<<(
    std::ostream& stream,
    xref:BloombergLP/balst/StackTracePrinter.adoc[StackTracePrinter] const& object);
----

== Description

Write a newline followed by a multiline stack trace according to the parameters passed to the specified `object` at its creation to the specified `stream`.

== Return Value

a reference to `stream`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *stream*
| output stream to which the stack trace is written
| *object*
| printer describing how the stack trace is rendered
|===


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