using meowlang.parser; namespace meowlang.typechecker; public static class ModelExtensions { private static readonly Guid ExpressionTypeKey = new Guid("6560485F-A4B0-4E24-A03D-D87776BBF9F4"); public static void SetType(this ExpressionModel m, TypeId t) { m.Metadata[ExpressionTypeKey] = t; } public static TypeId? GetType(this ExpressionModel m) { m.Metadata.TryGetValue(ExpressionTypeKey, out var value); return value as TypeId; } }