25 lines
552 B
C++
25 lines
552 B
C++
// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details
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#pragma once
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#include <ostream>
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#include <optional>
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namespace std
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{
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inline std::ostream& operator<<(std::ostream& lhs, const std::nullopt_t&)
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{
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return lhs << "none";
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}
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template<typename T>
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auto operator<<(std::ostream& lhs, const std::optional<T>& t) -> decltype(lhs << *t) // SFINAE to only instantiate << for supported types
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{
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if (t)
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return lhs << *t;
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else
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return lhs << "none";
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}
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} // namespace std
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