merge-by
builtin-function
(merge-by key seq1 seq2)
(merge-by key comparer seq1 seq2)
Merges two ordered sequences into one. Used by the function sort-by.
The function key produces the values to compare.
The default comparer is compare.
make-html > (merge-by length '("a" "aaa" "aaaaa") '("bb" "bb" "bbbb" "bbbbbb"))
it: ("a" "bb" "bb" "aaa" "bbbb" "aaaaa" "bbbbbb")