[#btck-Iterator-operator_minus-03]
= xref:btck.adoc[btck]::xref:btck/Iterator.adoc[Iterator]::operator‐
:relfileprefix: ../../
:mrdocs:

Subtraction operators

== Synopses

Declared in `<kernel/bitcoinkernel_wrapper.h>`

Returns an iterator rewound by `n` positions.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
auto
xref:btck/Iterator/operator_minus-00.adoc[operator‐](xref:btck/Iterator/difference_type.adoc[difference_type] n) const;
----

[.small]#xref:btck/Iterator/operator_minus-00.adoc[_» more..._]#

Computes the distance between two iterators.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
auto
xref:btck/Iterator/operator_minus-0a.adoc[operator‐](xref:btck/Iterator.adoc[Iterator] const& other) const;
----

[.small]#xref:btck/Iterator/operator_minus-0a.adoc[_» more..._]#

== Return Value

* A new iterator at the offset position.
* The signed number of elements between the two positions.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *n*
| The offset to subtract.
| *other*
| The iterator to subtract.
|===


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