更新问题 “如何让自己的类用 copy 修饰符？如何重写带 copy 关键字的 setter？” 的答案 - #24

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liruqi wants to merge 3 commits into

ChenYilong:masterfrom

SonarQubeCloud / SonarCloud Code Analysis succeeded Aug 6, 2026 in 9s

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

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