62 lines
1.3 KiB
C
62 lines
1.3 KiB
C
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// 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 "Luau/DenseHash.h"
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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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template<typename T>
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auto operator<<(std::ostream& lhs, const std::vector<T>& t) -> decltype(lhs << t[0])
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{
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lhs << "{ ";
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bool first = true;
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for (const T& element : t)
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{
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if (first)
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first = false;
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else
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lhs << ", ";
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lhs << element;
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}
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return lhs << " }";
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}
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template<typename K, typename H, typename E>
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auto operator<<(std::ostream& lhs, const Luau::DenseHashSet<K, H, E>& set) -> decltype(lhs << *set.begin())
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{
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lhs << "{ ";
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bool first = true;
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for (const K& element : set)
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{
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if (first)
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first = false;
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else
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lhs << ", ";
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lhs << element;
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}
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return lhs << " }";
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}
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} // namespace std
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