--- !ruby/object:RI::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: "@param html_class&lt;#to_s&gt;"
- !ruby/struct:SM::Flow::VERB 
  body: "  The HTML class to add to the :class key. The html_class will be\n  concatenated to any existing classes.\n"
- !ruby/struct:SM::Flow::P 
  body: "@example hash[:class] #=&gt; nil @example hash.add_html_class!(:selected) @example hash[:class] #=&gt; &quot;selected&quot; @example hash.add_html_class!(&quot;class1 class2&quot;) @example hash[:class] #=&gt; &quot;selected class1 class2&quot;"
full_name: Hash#add_html_class!
is_singleton: false
name: add_html_class!
params: (html_class)
visibility: public
