[#mp_units-operator_plus-0e6]
= xref:mp_units.adoc[mp_units]::operator+
:relfileprefix: ../
:mrdocs:

Addition operator

== Synopsis

Declared in `<mp‐units/ext/fixed_string.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<std::size_t N2>
[[nodiscard]]
constexpr
xref:mp_units/basic_fixed_string-08.adoc[basic_fixed_string<CharT, N + N2>]
operator+(
    xref:mp_units/basic_fixed_string-08.adoc[basic_fixed_string] const& lhs,
    xref:mp_units/basic_fixed_string-08.adoc[basic_fixed_string<CharT, N2>] const& rhs) noexcept;
----

== Return Value

A compile‐time fixed string

== Parameters

[cols=2]
|===
| Name
| Description
| *lhs*
| The left operand
| *rhs*
| The right operand
|===


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