kz
02/01/2020, 12:59 AMjimn
02/06/2020, 11:12 AMval cursor: Cursor = cursorOf(root)
val resample = cursor.resample(0)
val grp = resample.group((1))
val pai2 = grp[2, 3]
val join: Cursor = join(grp[0, 1],pai2.`∑`(floatSum)
i chose the sum operator as a shorthand reducer cue(because typesafety lacks just one sum) , but i can bypass the intermediaries in the group clause with a block function to reduce inline (not shown)