zygo> a [8 4 1 7] zygo> (aset a 0 12) zygo> a [12 4 1 7] zygo> (assert (== %default (:99 a %default))) zygo> (:99 a %default) // get %default back if 99 is out-of-bounds default zygo> (append a [77 88]) [12 4 1 7 [77 88]] // todo: needs append with ... zygo> a [12 4 1 7] zygo>
