連接報錯：ld: 1 duplicate symbol for architecture x86_64

1、問題緣由 ld: 1 duplicate symbol for architecture x86_64 出現錯誤的緣由是：重複定義。web 完整的報錯信息： ld: 1 duplicate symbol for architecture x86_64 clang: error: linker command failed with exit code 1 (use -v to see invo

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