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Add new inline function `hash-table-empty-p'

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Bozhidar Batsov 2015-05-20 18:49:20 +03:00
parent e2f5b72f78
commit 7a22bb66a6
1 changed files with 4 additions and 0 deletions
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lisp/emacs-lisp/subr-x.el
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@ -140,6 +140,10 @@ to bind a single value, BINDINGS can just be a plain tuple."
(declare (indent 1) (debug if-let))
(list 'if-let bindings (macroexp-progn body)))
(defsubst hash-table-empty-p (table)
"Check whether TABLE is empty (has 0 elements)."
(zerop (hash-table-count table)))
(defsubst hash-table-keys (hash-table)
"Return a list of keys in HASH-TABLE."
(let ((keys '()))