[#operator_plus-03]
= operator+
:mrdocs:

Addition operators

== Synopses

Declared in `<arith_uint256.h>`

Concatenate two bilingual strings.


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

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

Returns an iterator advanced by `n` elements.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:prevector-0c/const_iterator.adoc[const_iterator]
xref:operator_plus-04.adoc[operator+](
    xref:prevector-0c/size_type.adoc[size_type] n,
    xref:prevector-0c/const_iterator.adoc[const_iterator] x);
----

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

Returns an iterator advanced by `n` elements.


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

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

Sum fee and size.


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

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

Returns the sum of two big integers.


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

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

Returns the sum of two big integers.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:base_uint-02.adoc[base_uint<256>]
xref:operator_plus-0a6.adoc[operator+](
    xref:base_uint-02.adoc[base_uint<256>] const& a,
    xref:base_uint-02.adoc[base_uint<256>] const& b);
----

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

== Return Value

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

== Parameters

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


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