[#mp_units-operator_lshift-0e]
= xref:mp_units.adoc[mp_units]::operator<<
:relfileprefix: ../
:mrdocs:

Stream insertion operators

== Synopses

Declared in `<mp‐units/cartesian_vector.h>`

Stream insertion operator


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::basic_ostream<CharT>&
xref:mp_units/operator_lshift-09.adoc[operator<<](
    std::basic_ostream<CharT>& os,
    xref:mp_units/basic_fixed_string-08.adoc[basic_fixed_string] const& str);
----

[.small]#xref:mp_units/operator_lshift-09.adoc[_» more..._]#

Stream insertion operator


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename CharT,
    typename Traits,
    xref:mp_units/Unit.adoc[Unit] D>
std::basic_ostream<CharT, Traits>&
xref:mp_units/operator_lshift-02.adoc[operator<<](
    std::basic_ostream<CharT, Traits>& os,
    D d);
----

[.small]#xref:mp_units/operator_lshift-02.adoc[_» more..._]#

Stream insertion operator


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename CharT,
    typename Traits,
    auto R,
    typename Rep>
std::basic_ostream<CharT, Traits>&
xref:mp_units/operator_lshift-03b.adoc[operator<<](
    std::basic_ostream<CharT, Traits>& os,
    xref:mp_units/quantity-01.adoc[quantity<R, Rep>] const& q)
requires requires { os << q.numerical_value_ref_in(q.unit); };
----

[.small]#xref:mp_units/operator_lshift-03b.adoc[_» more..._]#

Stream insertion operator


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
std::ostream&
xref:mp_units/operator_lshift-03c.adoc[operator<<](
    std::ostream& os,
    xref:mp_units/cartesian_vector-08.adoc[cartesian_vector] const& vec);
----

[.small]#xref:mp_units/operator_lshift-03c.adoc[_» more..._]#


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