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emacs: Allow list functions to deal with nil values.

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* emacs/guix-list.el (guix-list-get-tabulated-entry): Call functions returning
  column value even for nil values.
  (guix-list-get-one-line): Adjust for accepting nil argument.
This commit is contained in:
Alex Kost 2014-10-10 23:29:24 +04:00
parent b3bb82f154
commit abc5b82971
1 changed files with 7 additions and 4 deletions
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11
emacs/guix-list.el
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@ -182,13 +182,16 @@ Parameters are taken from ENTRY of ENTRY-TYPE."
(let ((val (guix-get-key-val entry param))
(fun (guix-get-key-val guix-list-column-value-methods
entry-type param)))
(if (and val fun)
(if fun
(funcall fun val entry)
(guix-get-string val))))))
(defun guix-list-get-one-line (str &optional _)
"Return one-line string from a multi-line STR."
(guix-get-one-line str))
(defun guix-list-get-one-line (val &optional _)
"Return one-line string from a multi-line string VAL.
VAL may be nil."
(if val
(guix-get-one-line val)
(guix-get-string nil)))
(defun guix-list-get-time (seconds &optional _)
"Return formatted time string from SECONDS."