Filter: Difference between revisions

{lambda {:bool :as}

{if {S.empty?:bool {S.restfirst :as}}

then{if {:bool> {S.firstlength :as} 1}

elsethen {filter :bool {S.firstrest :as}}

{def even? {lambda {:wn} {if {= {% :wn 2} 0} then :wn else}}}

{def odd? {lambda {:wn} {if {= {% :wn 2} 1} then :wn else}}}