Function rol32

packages/service-worker/cli/sha1.ts:82–84

(a: number, count: number)

// Rotate a 32b number left `count` position
function rol32(a: number, count: number): number {
  return (a << count) | (a >>> (32 - count));
}

// Rotate a 64b number left `count` position
function rol64([hi, lo]: [number, number], count: number): [number, number] {