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修改错字: 在 -> 再 #235

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修改错字: 在 -> 再 #235

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4 changes: 2 additions & 2 deletions docs/solidity-102/17_Library/readme.md
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Expand Up @@ -105,7 +105,7 @@ library Strings {
}
```

他主要包含两个函数，`toString()`将`uint256`转为`string`，`toHexString()`将`uint256`转换为`16进制`，在转换为`string`。
他主要包含两个函数，`toString()`将`uint256`转为`string`，`toHexString()`将`uint256`转换为`16进制`，再转换为`string`。

### 如何使用库合约

Expand Down Expand Up @@ -146,4 +146,4 @@ library Strings {
3. [Create2](https://github.com/OpenZeppelin/openzeppelin-contracts/blob/4a9cc8b4918ef3736229a5cc5a310bdc17bf759f/contracts/utils/Create2.sol)：更安全的使用`Create2 EVM opcode`
4. [Arrays](https://github.com/OpenZeppelin/openzeppelin-contracts/blob/4a9cc8b4918ef3736229a5cc5a310bdc17bf759f/contracts/utils/Arrays.sol)：跟数组相关的库合约

<LessonQuizStart meta={require('./meta.json')} />
<LessonQuizStart meta={require('./meta.json')} />