“Wrong type argument:commandp”将lambda绑定到键时出错 [英] "Wrong type argument: commandp" error when binding a lambda to a key
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问题描述
(global-set-key [?\Mn](lambda()(forward-line 5)))
什么是错误?我相当确定这很简单我缺少一些明显的东西。
解决方案
global-set-key
期待一个交互式的命令。 (lambda()(interactive)(forward-line 5))
应该可以工作。
Ch f commandp
是一个非常好的起点,这样的错误。
I am getting a "Wrong type argument: commandp, (lambda nil (forward-line 5))" here.
(global-set-key [?\M-n] (lambda () (forward-line 5)))
What is the error? I'm fairly sure it's simple & I'm missing something obvious.
解决方案
global-set-key
expects an interactive command. (lambda () (interactive) (forward-line 5))
ought to work.
By the way, C-h f commandp
is a pretty good starting point for errors like that.
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