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Lines Matching refs:Opt

24 template <class Opt>
28     static_assert(noexcept(Opt(nullopt)), "");
29     constexpr Opt opt(nullopt);
30     static_assert(static_cast<bool>(opt) == false, "");
33         : public Opt
39 template <class Opt>
43     static_assert(noexcept(Opt(nullopt)), "");
44     Opt opt(nullopt);
45     assert(static_cast<bool>(opt) == false);
48         : public Opt