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函数的参数的类型约束

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hbghlyj Posted at 2023-4-3 23:23:00 |Read mode

可以套这么多 var_head?typeQ/;cond
比如

f[x_Integer?EvenQ/;x>2]:=x-2

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然后head里面可以套或|| 判定函数和&&

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