[#mp_units-operator_plus-07] = 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"] ---- [[nodiscard]] constexpr xref:mp_units/basic_fixed_string-08.adoc[basic_fixed_string<CharT, 1 + N>] operator+( CharT const lhs, xref:mp_units/basic_fixed_string-08.adoc[basic_fixed_string] const& rhs) noexcept; ---- == Return Value A compile‐time fixed string == Parameters [cols=2] |=== | Name | Description | *lhs* | The left operand | *rhs* | The right operand |=== [.small]#Created with https://www.mrdocs.com[MrDocs]#