oto proxy defstruct first rest cons defprotocol cast coll deftype defrecord last butlast sigs reify second ffirst fnext nfirst nnext defmulti defmethod meta with-meta ns in-ns create-ns import refer keys select-keys vals key val rseq name namespace promise into transient persistent! conj! assoc! dissoc! pop! disj! use class type num float double short byte boolean bigint biginteger bigdec print-method print-dup throw-if printf format load compile get-in update-in pr pr-on newline flush read slurp read-line 