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