[#operator_plus-03]
= operator&plus;
:mrdocs:

Addition operators

== Synopses

Declared in `&lt;arith&lowbar;uint256&period;h&gt;`

Concatenate two bilingual strings&period;


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bilingual_str.adoc[bilingual&lowbar;str]
xref:operator_plus-0d.adoc[operator&plus;](
    xref:bilingual_str.adoc[bilingual&lowbar;str] lhs,
    xref:bilingual_str.adoc[bilingual&lowbar;str] const& rhs);
----

[.small]#xref:operator_plus-0d.adoc[_» more&period;&period;&period;_]#

Returns an iterator advanced by `n` elements&period;


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:prevector-0c/const_iterator.adoc[const&lowbar;iterator]
xref:operator_plus-04.adoc[operator&plus;](
    xref:prevector-0c/size_type.adoc[size&lowbar;type] n,
    xref:prevector-0c/const_iterator.adoc[const&lowbar;iterator] x);
----

[.small]#xref:operator_plus-04.adoc[_» more&period;&period;&period;_]#

Returns an iterator advanced by `n` elements&period;


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:prevector-0c/iterator.adoc[iterator]
xref:operator_plus-0aa.adoc[operator&plus;](
    xref:prevector-0c/size_type.adoc[size&lowbar;type] n,
    xref:prevector-0c/iterator.adoc[iterator] x);
----

[.small]#xref:operator_plus-0aa.adoc[_» more&period;&period;&period;_]#

Sum fee and size&period;


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:FeeFrac.adoc[FeeFrac]
xref:operator_plus-0f3.adoc[operator&plus;](
    xref:FeeFrac.adoc[FeeFrac] const& a,
    xref:FeeFrac.adoc[FeeFrac] const& b) noexcept;
----

[.small]#xref:operator_plus-0f3.adoc[_» more&period;&period;&period;_]#

Returns the sum of two big integers&period;


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:base_uint-02.adoc[base&lowbar;uint]
xref:operator_plus-0fc.adoc[operator&plus;](
    xref:base_uint-02.adoc[base&lowbar;uint] const& a,
    xref:base_uint-02.adoc[base&lowbar;uint] const& b);
----

[.small]#xref:operator_plus-0fc.adoc[_» more&period;&period;&period;_]#

Returns the sum of two big integers&period;


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:base_uint-02.adoc[base&lowbar;uint&lt;256&gt;]
xref:operator_plus-0a6.adoc[operator&plus;](
    xref:base_uint-02.adoc[base&lowbar;uint&lt;256&gt;] const& a,
    xref:base_uint-02.adoc[base&lowbar;uint&lt;256&gt;] const& b);
----

[.small]#xref:operator_plus-0a6.adoc[_» more&period;&period;&period;_]#

== Return Value

* The concatenation of lhs and rhs&period;
* An iterator advanced by `n` elements&period;
* A FeeFrac holding the summed fee and summed size&period;
* The sum of `a` and `b&period;`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *lhs*
| The left operand, taken by value and used as the result&period;
| *rhs*
| The bilingual string appended to lhs&period;
| *n*
| The number of elements to advance by&period;
| *x*
| The iterator to advance&period;
| *a*
| The first operand&period;
| *b*
| The second operand&period;
|===


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