如何清除苹果酒模式中的REPL？ [英] How to clear the REPL in cider-mode?

问题描述

我不清楚REPL的文本输出;我的意思是清理REPL中的所有评估结果结果。在开发过程中，反复 Cc Cq 和 Cc Mj 效率很低。

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更新

可能是我的一些不好的调试行为。我不知道其他人如何使用CIDER开发编程，但我真的需要上述功能。我猜其他开发者也遇到了同样的问题。

例如，在clojure prog单元的顶部，我使用 declare 声明一个函数 foo ，由另一个函数 bar 和 foo 在 bar 之后实现。然后，我 C-c C-k 等，并且进度顺利。后来我偶尔删除了 foo 的前向声明。发生什么事进度顺利。 <强>真？然后，我承诺我的全部工作，并高兴地终止CIDER REPL会议。

早上的灾难：符号 foo 发现！

这是我的故事。所以没有人遇到类似的问题？

解决方案

尝试（刷新）

https://github.com/clojure/tools。命名空间＃重新加载代码使用

似乎没有删除在用户中声明的var 命名空间，我输入到REPL中，但是它的作用是：

...卸载（删除）改变的命名空间清除任何旧的
定义。

我们通常将其他一些有用的东西添加到用户命名空间，因此在启动时加载到REPL中：

  ns用户
（：require [clojure.tools.namespace.repl：refer [refresh]] 
 [clojure.repl：refer [doc source]] 
 [clojure.pprint：refer [pprint pp]] 
 [midje.repl：as midje] 
 [clojure.stacktrace：as st]）
  

要保持代码与主源和测试源分开，请将其放在< project root> /dev/user.clj 中的文件中，然后将以下内容添加到您的lein project.clj 文件：

  ：profiles {：dev {：source-paths [dev]}} 
  

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（ps虽然这不是你想要回答的问题，对于那些看到这个答案并想要清除苹果汁REPL中的文字的人来说，它是 Cc Mo （ https://github.com/clojure-emacs/cider ）

I am not meaning cleaning up the text output of REPL; I mean cleaning up all evaluated results in REPL. During developing, repeatedly C-c C-q and C-c M-j is low efficiency.

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UPDATE

There may be some bad debug behaviour of mine. I am not sure how other people develop progs with CIDER, but I really need the functionality mentioned above. I guess other developers also encounter same problems as mine.

For example, at the top of a clojure prog unit, I use declare to declare a function foo, which is used by another function bar, and foo is implemented after bar. Then, I C-c C-k, etc, and the prog goes well. Later, I removed the forward declaration of foo occasionally. What does happen? The prog still goes well. REALLY? Then, I commit my whole job and terminate the CIDER REPL session happily.

Disaster on morning: Symbol foo not found!

That's my story. So, nobody has ever encountered similar problems?

解决方案

Try the (refresh) function in the clojure.tools.namespace.repl namespace:

The refresh function will scan all the directories on the classpath for Clojure source files, read their ns declarations, build a graph of their dependencies, and load them in dependency order.

https://github.com/clojure/tools.namespace#reloading-code-usage

It doesn't seem to remove the vars declared in the user namespace, which I've typed into the REPL, but it does:

...unload (remove) the namespaces that changed to clear out any old definitions.

We generally add that plus a few other useful things to the user namespace, so it's loaded into the REPL on startup:

(ns user
  (:require [clojure.tools.namespace.repl :refer [refresh]]
            [clojure.repl :refer [doc source]]
            [clojure.pprint :refer [pprint pp]]
            [midje.repl :as midje]
            [clojure.stacktrace :as st]))

To keep that code separate from your main and test sources, put that in a file at <project root>/dev/user.clj, then add the following to your lein project.clj file:

:profiles {:dev {:source-paths ["dev"]}}

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(p.s. although it's not the question you want answered, for those seeing this answer and wanting to clear the text in the Cider REPL, it's C-c M-o (https://github.com/clojure-emacs/cider)

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