将Clojure函数作为java.util.Function传递 [英] Passing a Clojure function as java.util.Function

问题描述

就像在主题中一样，我想使用一种Java方法，以一个Function作为参数，并为其提供一个Clojure函数，无论是匿名函数还是常规函数.有人知道该怎么做吗?

As in topic, I'd like to use a Java method taking a Function as an argument and provide it with a Clojure function, be it anonymous or a regular one. Anyone has any idea how to do that?

推荐答案

java.util.function.Function是接口.
您需要实现抽象方法 apply(T t) .
像这样的事情应该做到这一点:

java.util.function.Function is an interface.
You need to implement the abstract method apply(T t).
Something like this should do it:

(defn hello [name]
  (str "Hello, " name "!"))

(defn my-function[]
  (reify 
    java.util.function.Function
    (apply [this arg]
      (hello arg))))

;; then do (my-function) where you need to pass in a Function

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