29 lines
595 B
C++
29 lines
595 B
C++
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// A Scalar that asserts for uninitialized access.
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template <typename T>
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class SafeScalar {
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public:
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SafeScalar() : initialized_(false) {}
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SafeScalar(const SafeScalar& other) { *this = other; }
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SafeScalar& operator=(const SafeScalar& other) {
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val_ = T(other);
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initialized_ = true;
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return *this;
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}
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SafeScalar(T val) : val_(val), initialized_(true) {}
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SafeScalar& operator=(T val) {
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val_ = val;
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initialized_ = true;
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}
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operator T() const {
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VERIFY(initialized_ && "Uninitialized access.");
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return val_;
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}
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private:
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T val_;
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bool initialized_;
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};
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