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18 lines
263 B
C
18 lines
263 B
C
#include <stddef.h>
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typedef struct T
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{
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enum { NONE, SOME } tag;
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union
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{
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void *none;
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int some;
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} value;
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} Option;
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int main()
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{
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Option a = { .tag = NONE, .value = { .none = NULL } };
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Option b = { .tag = SOME, .value = { .some = 3 } };
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}
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