Clojure：只返回值
[英]Clojure: just return the value
问题描述
Is there any Clojure built-in function that just returns the value being passed to it? 
是否有任何Clojure内置函数只返回传递给它的值？ The equivalent of 相当于
(defn just-val [x] x)
? ？
1 个解决方案
解决方案1
10 已采纳 2012-07-19 12:13:22
Yes there is the identity function: http://clojuredocs.org/clojure_core/clojure.core/identity 是的，有身份功能： http ： //clojuredocs.org/clojure_core/clojure.core/identity
user=> (identity 4)
4
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