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Disable implicit conversion from Result<T> to optional<T>.

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GitOrigin-RevId: bb064610012c5b650c2517cf4908a9514bc6a7e3
This commit is contained in:
levlam 2018-08-05 15:24:50 +03:00
parent 813ba873a8
commit abe3ff55b0
1 changed files with 3 additions and 1 deletions
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4
tdutils/td/utils/optional.h
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@ -17,7 +17,9 @@ template <class T>
class optional {
public:
optional() = default;
template <class T1, std::enable_if_t<!std::is_same<std::decay_t<T1>, optional>::value, int> = 0>
template <class T1,
std::enable_if_t<!std::is_same<std::decay_t<T1>, optional>::value && std::is_constructible<T, T1>::value,
int> = 0>
optional(T1 &&t) : impl_(std::forward<T1>(t)) {
}
explicit operator bool() const {