user> (use '(link: clojure.core.contracts :only [contract]))
nil
user> (contract
silly
"Silly reporting for duty sir!"
(link: [a & b :as c])
(link: ))
编译器异常 CompilerException java.lang.RuntimeException:在此上下文中无法解析符号:&,编译:(NO_SOURCE_PATH:1:1)
在 "a & b" 中的 & 无法解析。