1 /* ****************************************************************************
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3 * Copyright (c) Microsoft Corporation. All rights reserved.
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5 * This software is subject to the Microsoft Public License (Ms-PL).
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6 * A copy of the license can be found in the license.htm file included
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7 * in this distribution.
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9 * You must not remove this notice, or any other, from this software.
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11 * ***************************************************************************/
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13 namespace System.Web.Mvc {
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16 internal static class TypeHelpers {
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18 public static bool TypeAllowsNullValue(Type type) {
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19 // reference types allow null values
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20 if (!type.IsValueType) {
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24 // nullable value types allow null values
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25 // code lifted from System.Nullable.GetUnderlyingType()
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26 if (type.IsGenericType && !type.IsGenericTypeDefinition && (type.GetGenericTypeDefinition() == typeof(Nullable<>))) {
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30 // no other types allow null values
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