Method: Array#&

Defined in:
lib/source/ruby.rb

#&(ary) ⇒ Object

call-seq:

ary & other -> array

Set Intersection – returns a new array containing elements common to ary and other, with no duplicates.

[1,1,3,5] & [1,2,3]   #=> [1, 3]



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# File 'lib/source/ruby.rb', line 1741

def &(ary)
  `for(var i=0,l=this.length,result=[],found=false,seen={};i<l;++i){var a=this[i],k=a.m$hash();for(var j=0,m=ary.length;j<m;++j){var b=this[j];if(a.m$_eql2(b)){found=true;break;};};if(found&&!seen[k]){seen[k]=true;result.push(a);found=false;};}`
  return `result`
end