Function hashCollisionKey

src/Hash.ts:111–120

(key: unknown)

// candidates — `is()` still decides equality — so non-string keys can safely
// fall back to the (here constant) primary hash and a linear scan.
export function hashCollisionKey(key: unknown): number {
  if (typeof key !== 'string') {
    return hash(key);
  }
  let hashed = 0;
  for (let ii = 0; ii < key.length; ii++) {
    hashed = (COLLISION_HASH_BASE * hashed + key.charCodeAt(ii)) | 0;
  }
  return hashed;
}

function hashSymbol(sym: symbol): number {
  let hashed = symbolMap[sym];