def kr63
import mylsm-lsm-store@0.6.0.1/src/hub_sha/core.bend as Coreimport Base
import mylsm-lsm-store@0.6.0.1/src/hub_sha/state.bend as S
311# Return the SHA-256 round constant for schedule index 63.
312def kr63(rounds_left: Nat, win: ShaWindow, state: S.State) -> S.State:
313 match rounds_left win:
314 case 0n _:
315 state
316 case 1n+z W{a, +b, c, d, e, f, +g, h, i, j, l, m, o, r, +t, +u}:
317 +w = (small1(b) + g + small0(t) + u : U32)
318 kr64(step(state, 3329325298, w))