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// Copyright (c) Microsoft Corporation. All rights reserved.

// Licensed under the MIT license.

using System;

namespace Microsoft.ClearScript

{

/// <summary>

/// Defines options for exposing type members to script code.

/// </summary>

[Flags]

public enum ScriptMemberFlags

{

/// <summary>

/// Specifies that no options are selected.

/// </summary>

None = 0,

/// <summary>

/// Specifies that the field, property, or method return value is not to be restricted to

/// its declared type.

/// </summary>

ExposeRuntimeType = 0x00000001,

/// <summary>

/// Specifies that the field, property, or method return value is to be marshaled with full

/// .NET type information even if it is <c>null</c>. Note that such a value will always

/// fail equality comparison with JavaScript's

/// <c><see href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/null">null</see></c>,

/// VBScript's

/// <c><see href="https://docs.microsoft.com/en-us/previous-versions//f8tbc79x(v=vs.85)">Nothing</see></c>,

/// and other similar values. Instead, use <c><see cref="HostFunctions.isNull"/></c> or

/// <c><see cref="object.Equals(object, object)"/></c> to perform such a comparison.

/// </summary>

WrapNullResult = 0x00000002

}

internal static class ScriptMemberFlagsHelpers

{

public static bool HasAllFlags(this ScriptMemberFlags value, ScriptMemberFlags flags) => (value & flags) == flags;

public static bool HasAnyFlag(this ScriptMemberFlags value, ScriptMemberFlags flags) => (value & flags) != 0;

}

}