You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
30 lines
605 B
30 lines
605 B
|
|
// A Scalar that asserts for uninitialized access.
|
|
template<typename T>
|
|
class SafeScalar {
|
|
public:
|
|
SafeScalar() : initialized_(false) {}
|
|
SafeScalar(const SafeScalar& other) {
|
|
*this = other;
|
|
}
|
|
SafeScalar& operator=(const SafeScalar& other) {
|
|
val_ = T(other);
|
|
initialized_ = true;
|
|
return *this;
|
|
}
|
|
|
|
SafeScalar(T val) : val_(val), initialized_(true) {}
|
|
SafeScalar& operator=(T val) {
|
|
val_ = val;
|
|
initialized_ = true;
|
|
}
|
|
|
|
operator T() const {
|
|
VERIFY(initialized_ && "Uninitialized access.");
|
|
return val_;
|
|
}
|
|
|
|
private:
|
|
T val_;
|
|
bool initialized_;
|
|
};
|
|
|