37 lines
928 B
C++
37 lines
928 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 "Luau/Type.h"
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#include <set>
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namespace Luau
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{
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struct TypeArena;
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struct BuiltinTypes;
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struct SimplifyResult
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{
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TypeId result;
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std::set<TypeId> blockedTypes;
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};
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SimplifyResult simplifyIntersection(NotNull<BuiltinTypes> builtinTypes, NotNull<TypeArena> arena, TypeId ty, TypeId discriminant);
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SimplifyResult simplifyUnion(NotNull<BuiltinTypes> builtinTypes, NotNull<TypeArena> arena, TypeId ty, TypeId discriminant);
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enum class Relation
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{
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Disjoint, // No A is a B or vice versa
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Coincident, // Every A is in B and vice versa
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Intersects, // Some As are in B and some Bs are in A. ex (number | string) <-> (string | boolean)
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Subset, // Every A is in B
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Superset, // Every B is in A
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};
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Relation relate(TypeId left, TypeId right);
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} // namespace Luau
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