62 %let a =cat;
63 %macro animal (a=frog);
64 %let a=bird;
65 %mend;
66 %animal(a=pig) %put a is &a;
a is cat
67 run;
68
69
70 %let a=cat;
71 %macro animal;
72 %let a=bird;
73 %mend;
74 %animal
75 %put a is &a;
a is bird
76 run;

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楼主: Eidui
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5269
7
[问答] %local and %macro的问题 |
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