All Octicons
sidebar-expand
Octicon sizes navigation
React
import {SidebarExpandIcon} from '@primer/octicons-react' <SidebarExpandIcon size={16} />
Rails
<%= render(Primer::Beta::Octicon.new(:"sidebar-expand", size: :small)) %>
Jekyll
{% octicon sidebar-expand height:16 %}
Figma
This icon is called sidebar-expand
in Primer's Octicons library.