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Diffstat (limited to 'emacs/notmuch-lib.el')
| -rw-r--r-- | emacs/notmuch-lib.el | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/emacs/notmuch-lib.el b/emacs/notmuch-lib.el index cc80fb29..d5ca0f40 100644 --- a/emacs/notmuch-lib.el +++ b/emacs/notmuch-lib.el @@ -120,6 +120,15 @@ within the current window." (or (memq prop buffer-invisibility-spec) (assq prop buffer-invisibility-spec))))) +(defun notmuch-remove-if-not (predicate list) + "Return a copy of LIST with all items not satisfying PREDICATE removed." + (let (out) + (while list + (when (funcall predicate (car list)) + (push (car list) out)) + (setq list (cdr list))) + (nreverse out))) + ; This lets us avoid compiling these replacement functions when emacs ; is sufficiently new enough to supply them alone. We do the macro ; treatment rather than just wrapping our defun calls in a when form |