43 lines
799 B
C++
43 lines
799 B
C++
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#include <iostream>
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#include <string>
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template <typename T>
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class Manager {
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private:
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T* mPtr;
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public:
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Manager() {
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mPtr = nullptr;
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}
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void allocate() {
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mPtr = (T*)malloc(sizeof(T));
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}
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void construct(const T& t) {
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new(mPtr) T{t};
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}
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T& get() {
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return *mPtr;
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}
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void destruct() {
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mPtr->~T();
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}
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void deallocate() {
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free(mPtr);
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}
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};
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int main() {
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Manager<std::string> a;
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a.allocate();
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a.construct("Cats and dogs");
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a.get() += " and elephants";
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std::cout << a.get() << std::endl;
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a.destruct();
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a.construct("Sapere aude");
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std::cout << a.get() << std::endl;
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a.destruct();
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a.deallocate();
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}
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