// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
using Roslyn.Utilities;
 
namespace Microsoft.CodeAnalysis.SignatureHelp
{
    internal readonly struct SignatureHelpTriggerInfo
    {
        public SignatureHelpTriggerReason TriggerReason { get; }
        public char? TriggerCharacter { get; }
 
        internal SignatureHelpTriggerInfo(SignatureHelpTriggerReason triggerReason, char? triggerCharacter = null)
            : this()
        {
            Contract.ThrowIfTrue(triggerReason == SignatureHelpTriggerReason.TypeCharCommand && triggerCharacter == null);
            TriggerReason = triggerReason;
            TriggerCharacter = triggerCharacter;
        }
    }
}