24 lines
398 B
C
24 lines
398 B
C
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#pragma once
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#include <cstdlib>
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#include <new>
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template <class T>
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class singleton {
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public:
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static T* instance() {
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if (!m_instance) {
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m_instance = static_cast<T*>(std::malloc(sizeof(T)));
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new (m_instance) T;
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}
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return m_instance;
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}
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protected:
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singleton();
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~singleton();
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private:
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static inline T* m_instance = nullptr;
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};
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