---
layout: "default"
title: "Operator: &-="
description: "Swift documentation for the '&-=' operator."
root: "/v4.2"
---

<code class="language-swift"> operator &amp;-= {
    associativity right
    precedence 
    assignment
}</code>

<h3>Declarations</h3>

<div class="declaration inherited" id="func-ampmnseq_-inout-self-rhs_-self">
<a class="toggle-link" data-toggle="collapse" href="#comment-func-ampmnseq_-inout-self-rhs_-self">func &amp;-=(<wbr>_:<wbr> inout Self, rhs: Self)</a>
        
<div class="com