[#arith_uint256-operator_dec-0d]
= xref:arith_uint256.adoc[arith_uint256]::operator‐‐
:relfileprefix: ../
:mrdocs:

Decrement operators

== Synopses

Declared in `<arith_uint256.h>`

Pre‐decrements the value by one.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:base_uint-02.adoc[base_uint<256>]&
xref:arith_uint256/operator_dec-00.adoc[operator‐‐]();
----

[.small]#xref:arith_uint256/operator_dec-00.adoc[_» more..._]#

Post‐decrements the value by one.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:base_uint-02.adoc[base_uint<256>]
xref:arith_uint256/operator_dec-04.adoc[operator‐‐](int postfix);
----

[.small]#xref:arith_uint256/operator_dec-04.adoc[_» more..._]#

== Return Value

* A reference to this object after decrementing.
* A copy of the value before decrementing.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *postfix*
| Unused tag that selects the postfix form.
|===


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