class<\/span> MovieShelf<\/span><\/div> attr_accessor<\/span> :movies<\/span><\/div> <\/div>
def<\/span> initialize<\/span><\/div> @movies<\/span> =<\/span> []<\/span><\/div> end<\/span><\/div> <\/div>
def<\/span> lookup<\/span>(<\/span>movie<\/span>)<\/span><\/div> @movies<\/span>.<\/span>detect<\/span> {<\/span>|<\/span>m<\/span>|<\/span> m<\/span> ==<\/span> movie<\/span>}<\/span><\/div> end<\/span><\/div> <\/div>
def<\/span> list<\/span><\/div> @movies<\/span>.<\/span>each<\/span> do<\/span> |<\/span>movie<\/span>|<\/span><\/div> puts<\/span> movie<\/span>.<\/span>title<\/span><\/div> end<\/span><\/div> end<\/span><\/div>end<\/span><\/div><\/pre><\/div>\n \n <\/div>\n\n