msb--aggregate-alist
msb--aggregate-alist is a compiled Lisp function in `msb.el
'.
(msb--aggregate-alist ALIST SAME-PREDICATE SORT-PREDICATE)
Return ALIST as a sorted, aggregated alist.
In the result all items with the same car element (according to
SAME-PREDICATE) are aggregated together. The alist is first sorted by
SORT-PREDICATE.
Example:
(msb--aggregate-alist
'((a . a1) (a . a2) (b . b1) (c . c3) (a . a4) (a . a3) (b . b3) (b . b2))
(function string=)
(lambda (item1 item2)
(string< (symbol-name item1) (symbol-name item2))))
results in
((a a1 a2 a4 a3) (b b1 b3 b2) (c c3))