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perl - UNIVERSAL 不导出任何东西

转载 作者:行者123 更新时间:2023-12-01 10:25:02 28 4
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您好,我在尝试运行 perl 脚本时遇到以下错误:

pc:~/Phd/lenovo/programs/vep/scripts/variant_effect_predictor$ perl variant_effect_predictor.pl --help
UNIVERSAL does not export anything at /home/arron/Phd/lenovo/programs/vep/scripts/variant_effect_predictor/Bio/Tree/TreeFunctionsI.pm line 94.

违规行在哪里:

use UNIVERSAL qw(isa)

问题是什么?

最佳答案

旧版本 UNIVERSAL

You may request the import of three functions (isa, can, and VERSION), but this feature is deprecated and will be removed. Please don't do this in new code.

最新版本只是说

EXPORTS

None.

关于perl - UNIVERSAL 不导出任何东西,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/35258993/

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