File: src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Formatting\Engine\TokenPairWithOperations.cs
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Project: src\src\CodeStyle\Core\Analyzers\Microsoft.CodeAnalysis.CodeStyle.csproj (Microsoft.CodeAnalysis.CodeStyle)
// 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 Microsoft.CodeAnalysis.Formatting.Rules;
using Roslyn.Utilities;
 
namespace Microsoft.CodeAnalysis.Formatting;
 
/// <summary>
/// it holds onto space and wrapping operation need to run between two tokens.
/// </summary>
internal readonly struct TokenPairWithOperations
{
    public TokenStream TokenStream { get; }
    public AdjustSpacesOperation? SpaceOperation { get; }
    public AdjustNewLinesOperation? LineOperation { get; }
 
    public int PairIndex { get; }
 
    public TokenPairWithOperations(
        TokenStream tokenStream,
        int tokenPairIndex,
        AdjustSpacesOperation? spaceOperations,
        AdjustNewLinesOperation? lineOperations)
        : this()
    {
        Contract.ThrowIfNull(tokenStream);
 
        Contract.ThrowIfFalse(0 <= tokenPairIndex && tokenPairIndex < tokenStream.TokenCount - 1);
 
        this.TokenStream = tokenStream;
        this.PairIndex = tokenPairIndex;
 
        SpaceOperation = spaceOperations;
        LineOperation = lineOperations;
    }
 
    public SyntaxToken Token1
    {
        get
        {
            return this.TokenStream.GetToken(this.PairIndex);
        }
    }
 
    public SyntaxToken Token2
    {
        get
        {
            return this.TokenStream.GetToken(this.PairIndex + 1);
        }
    }
}