[#btck-Iterator-operator_dec-02]
= xref:btck.adoc[btck]::xref:btck/Iterator.adoc[Iterator]::operator‐‐
:relfileprefix: ../../
:mrdocs:

Decrement operators

== Synopses

Declared in `<kernel/bitcoinkernel_wrapper.h>`

Moves to the previous element.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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auto&
xref:btck/Iterator/operator_dec-0f.adoc[operator‐‐]();
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[.small]#xref:btck/Iterator/operator_dec-0f.adoc[_» more..._]#

Moves to the previous element (post‐decrement).


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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auto
xref:btck/Iterator/operator_dec-00.adoc[operator‐‐](int unused);
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[.small]#xref:btck/Iterator/operator_dec-00.adoc[_» more..._]#

== Return Value

* A reference to this iterator.
* A copy of the iterator before moving.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *unused*
| Ignored disambiguator selecting the post‐decrement form.
|===


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