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#pragma once
namespace Pinetime {
namespace Utility {
template <class T>
class DirtyValue {
public:
DirtyValue() = default; // Use NSDMI
explicit DirtyValue(T const& v) : value {v} {
} // Use MIL and const-lvalue-ref
bool IsUpdated() {
if (this->isUpdated) {
this->isUpdated = false;
return true;
}
return false;
}
T const& Get() {
this->isUpdated = false;
return value;
} // never expose a non-const lvalue-ref
DirtyValue& operator=(const T& other) {
if (this->value != other) {
this->value = other;
this->isUpdated = true;
}
return *this;
}
private:
T value {}; // NSDMI - default initialise type
bool isUpdated {true}; // NSDMI - use brace initialisation
};
}
}
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