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2024/02/05 07:44

投稿

int32_t
int32_t

スコア21022

test CHANGED
@@ -6,27 +6,17 @@
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  public:
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  Holder(T *p) : val(p) {}
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  long long Get() const { return static_cast<long long>(*val); }
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- T* val;
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+ T *val;
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  };
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- class EmptyHolder {
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- public:
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- EmptyHolder() = default;
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- long long Get() const { return -1; }
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- };
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-
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- using TEST =
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- std::variant<EmptyHolder, Holder<int>, Holder<char>, Holder<long long>>;
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+ using TEST = std::variant<Holder<int>, Holder<char>, Holder<long long>>;
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  int main() {
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  int a = 1;
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  char b = 'c';
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  long long c = 10000;
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- TEST test[3];
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- test[0] = &a;
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+ TEST test[3] = {&a, &b, &c};
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- test[1] = &b;
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- test[2] = &c;
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  for (int i = 0; i < 3; i++) {
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  std::visit([](auto &v) { std::cout << v.Get() << std::endl; }, test[i]);
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  }