def mask.go
import bend-kit-websocket@0.4.0.0/websocket.bend as Websocketimport Base
270def mask.go(n: Nat, r: Array<U32> & U32, +i: U32, +key: U32) -> Array<U32>:
271 match n:
272 case 0n:
273 (a, w) = r
274 a
275 case 1n+p:
276 (a, +w) = r
277 +j = (i + 1 : U32)
278 mask.go(p, Array.get(U32, Array.set(U32, a, i, (w .^. key : U32)), j), j, key)