40 class HalResult {
42     static HalResult<T> ok(T&& value) { return HalResult(std::forward<T>(value)); }  in ok()
43     static HalResult<T> ok(T& value) { return HalResult<T>::ok(T{value}); }  in ok()
44     static HalResult<T> failed(std::string msg) { return HalResult(msg, /* unsupported= */ false); }  in failed()
45     static HalResult<T> unsupported() { return HalResult("", /* unsupported= */ true); }  in unsupported()
47     static HalResult<T> fromStatus(const binder::Status& status, T&& data) {  in fromStatus()
49             return HalResult<T>::unsupported();  in fromStatus()
52             return HalResult<T>::ok(std::forward<T>(data));  in fromStatus()
54         return HalResult<T>::failed(std::string(status.toString8().c_str()));  in fromStatus()
57     static HalResult<T> fromStatus(const binder::Status& status, T& data) {  in fromStatus()
58         return HalResult<T>::fromStatus(status, T{data});  in fromStatus()
61     static HalResult<T> fromStatus(const ndk::ScopedAStatus& ndkStatus, T&& data) {  in fromStatus()
63             return HalResult<T>::unsupported();  in fromStatus()
66             return HalResult<T>::ok(std::forward<T>(data));  in fromStatus()
68         return HalResult<T>::failed(std::string(ndkStatus.getDescription()));  in fromStatus()
71     static HalResult<T> fromStatus(const ndk::ScopedAStatus& ndkStatus, T& data) {  in fromStatus()
72         return HalResult<T>::fromStatus(ndkStatus, T{data});  in fromStatus()
76     static HalResult<T> fromReturn(hardware::Return<R>& ret, T&& data) {  in fromReturn()
77         return ret.isOk() ? HalResult<T>::ok(std::forward<T>(data))  in fromReturn()
78                           : HalResult<T>::failed(ret.description());  in fromReturn()
82     static HalResult<T> fromReturn(hardware::Return<R>& ret, T& data) {  in fromReturn()
83         return HalResult<T>::fromReturn(ret, T{data});  in fromReturn()
87     static HalResult<T> fromReturn(hardware::Return<R>& ret, hardware::power::V1_0::Status status,  in fromReturn()
89         return ret.isOk() ? HalResult<T>::fromStatus(status, std::forward<T>(data))  in fromReturn()
90                           : HalResult<T>::failed(ret.description());  in fromReturn()
94     static HalResult<T> fromReturn(hardware::Return<R>& ret, hardware::power::V1_0::Status status,  in fromReturn()
96         return HalResult<T>::fromReturn(ret, status, T{data});  in fromReturn()
111     explicit HalResult(T&& value)  in HalResult()  function
113     explicit HalResult(std::string errorMessage, bool unsupported)  in HalResult()  function
119 class HalResult<void> {
121     static HalResult<void> ok() { return HalResult(); }  in ok()
122     static HalResult<void> failed(std::string msg) { return HalResult(std::move(msg)); }  in failed()
123     static HalResult<void> unsupported() { return HalResult(/* unsupported= */ true); }  in unsupported()
125     static HalResult<void> fromStatus(const binder::Status& status) {  in fromStatus()
127             return HalResult<void>::unsupported();  in fromStatus()
130             return HalResult<void>::ok();  in fromStatus()
132         return HalResult<void>::failed(std::string(status.toString8().c_str()));  in fromStatus()
135     static HalResult<void> fromStatus(const ndk::ScopedAStatus& ndkStatus) {  in fromStatus()
137             return HalResult<void>::ok();  in fromStatus()
140             return HalResult<void>::unsupported();  in fromStatus()
142         return HalResult<void>::failed(ndkStatus.getDescription());  in fromStatus()
146     static HalResult<void> fromReturn(hardware::Return<R>& ret) {  in fromReturn()
147         return ret.isOk() ? HalResult<void>::ok() : HalResult<void>::failed(ret.description());  in fromReturn()
160     explicit HalResult(bool unsupported = false)
162     explicit HalResult(std::string errorMessage)  in HalResult()  function