Function shuffleImmutable

shuffleImmutable<T>(array: readonly T[]): T[]
Fisher-Yates 洗牌算法（不修改原数组） Fisher-Yates shuffle algorithm (non-mutating)
Type Parameters
- T
Parameters
- array: readonly T[]
  需要洗牌的数组 / Array to shuffle
Returns T[]
洗牌后的新数组 / New shuffled array
Example
```
// 不修改原数组
const original = [1, 2, 3, 4, 5]
const shuffled = shuffleImmutable(original) // original 保持不变
```
- Defined in src/array.ts:80