{"name":"gist: 942440","desc":"","actor":"iamjwc","url":"https://gist.github.com/942440","snippet":"[~/programming/sinatra]$ irb\nruby-1.8.7-p330 :001 > class Array; def save_map(&blk); self.instance_variable_set(:@map_blk, blk) end; def call_saved_map; self.map(&self.instance_variable_get(:@map_blk)) end end\n => nil","actor_gravatar":"0ec42cb978ea1077843a2d0e81c89d41","action":"create"}