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AeroNotix/isthisgood.el Secret

Created February 22, 2018 13:49
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isthisgood.el
(defmacro --map (form list)
"Anaphoric form of `-map'."
(declare (debug (form form)))
`(mapcar (lambda (it) ,form) ,list))
;; used like this:
(defun edts-project--validate-config (config)
(-when-let* ((invalid (-remove #'edts-project--valid-property? config))
(invalid-keys (--map (car it) invalid)))
(error (format "Invalid configuration properties: %s" invalid)))
config)
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