[#mp_units-operator_lshift-06]
= xref:mp_units.adoc[mp_units]::operator<<
:relfileprefix: ../
:mrdocs:

Stream insertion operator

== Synopsis

Declared in `<mp‐units/safe_int.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::basic_ostream<CharT, Traits>&
operator<<(
    std::basic_ostream<CharT, Traits>& os,
    xref:mp_units/safe_int-09.adoc[safe_int] const& v);
----

== Return Value

Reference to the current output stream

== Parameters

[cols="1,4"]
|===
|Name|Description

| *os*
| An output stream
| *v*
| The object to output
|===


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