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builtinnya/add-onetime-hook.el

Created March 13, 2013 10:36
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Onetime version of `add-hook'.
Raw
add-onetime-hook.el
;; `lexical-binding' must be non-nil
(defun add-onetime-hook (hook function &optional append local)
"Add to the value of HOOK the function FUNCTION for onetime use.
HOOK should be a symbol, and FUNCTION may be any valid function.
See `add-hook'."
(labels ((wrapper ()
(funcall function)
(remove-hook hook #'wrapper)))
(add-hook hook #'wrapper append local)))
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