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

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Searches through an array whose elements are also arrays comparing <em>obj</em> with the first element of each contained array using obj.==. Returns the first contained array that matches (that is, the first associated array), or <tt>nil</tt> if no match is found. See also <tt>Array#rassoc</tt>.
- !ruby/struct:SM::Flow::VERB 
  body: "   s1 = [ &quot;colors&quot;, &quot;red&quot;, &quot;blue&quot;, &quot;green&quot; ]\n   s2 = [ &quot;letters&quot;, &quot;a&quot;, &quot;b&quot;, &quot;c&quot; ]\n   s3 = &quot;foo&quot;\n   a  = [ s1, s2, s3 ]\n   a.assoc(&quot;letters&quot;)  #=&gt; [ &quot;letters&quot;, &quot;a&quot;, &quot;b&quot;, &quot;c&quot; ]\n   a.assoc(&quot;foo&quot;)      #=&gt; nil\n"
full_name: Array#assoc
is_singleton: false
name: assoc
params: |
  array.assoc(obj)   ->  an_array  or  nil

visibility: public