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Update 03_Strings_and_Characters.md

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Jie Liang
2021-12-09 09:14:52 -06:00
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parent 9e8082c6c2
commit 382c645a22
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source/02_language_guide/03_Strings_and_Characters.md
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@ -631,6 +631,11 @@ let dogString = "Dog‼🐶"
</tr> </tr>
</table> </table>
如果表格无法正确显示，请参考下图：
![image](https://user-images.githubusercontent.com/2572987/145422655-288a7d40-75f5-4329-b43f-0d942b9b4623.png)
```swift ```swift
for codeUnit in dogString.utf8 { for codeUnit in dogString.utf8 {
print("\(codeUnit) ", terminator: "") print("\(codeUnit) ", terminator: "")
@ -674,6 +679,11 @@ print("")
</tr> </tr>
</table> </table>
如果表格无法正确显示，请参考下图：
![image](https://user-images.githubusercontent.com/2572987/145422770-cdcb214a-430e-4a6d-b763-36657b3c8d7e.png)
```swift ```swift
for codeUnit in dogString.utf16 { for codeUnit in dogString.utf16 {
print("\(codeUnit) ", terminator: "") print("\(codeUnit) ", terminator: "")