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AK: Add a concept for requiring that a function is fallible
This ensures that the function may be wrapped with TRY() and MUST().
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@ -111,12 +111,20 @@ concept IterableContainer = requires
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{ declval<T>().begin() } -> IteratorPairWith<decltype(declval<T>().end())>;
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};
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template<typename Func, typename... Args>
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concept FallibleFunction = requires(Func&& func, Args&&... args) {
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func(forward<Args>(args)...).is_error();
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func(forward<Args>(args)...).release_error();
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func(forward<Args>(args)...).release_value();
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};
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// clang-format on
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}
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using AK::Concepts::Arithmetic;
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using AK::Concepts::ArrayLike;
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using AK::Concepts::Enum;
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using AK::Concepts::FallibleFunction;
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using AK::Concepts::FloatingPoint;
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using AK::Concepts::Fundamental;
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using AK::Concepts::Integral;
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