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Diffstat (limited to 'emacs/.emacs.d/wpc')
-rw-r--r-- | emacs/.emacs.d/wpc/cycle.el | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/emacs/.emacs.d/wpc/cycle.el b/emacs/.emacs.d/wpc/cycle.el index 592de10e0de7..f876cf7054a4 100644 --- a/emacs/.emacs.d/wpc/cycle.el +++ b/emacs/.emacs.d/wpc/cycle.el @@ -131,6 +131,11 @@ underlying struct." (cycle/jump i cycle) (error "No element in cycle matches predicate")))) +(defun cycle/focus-item (x xs) + "Focus ITEM in cycle XS. +ITEM is the first item in XS that t for `equal'." + (cycle/focus (lambda (y) (equal x y)) xs)) + (defun cycle/contains? (x xs) "Return t if cycle, XS, has member X." (->> xs |