RuntimeVariablesExpression.cs

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using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Diagnostics;
using System.Dynamic.Utils;
using System.Runtime.CompilerServices;
 
namespace System.Linq.Expressions;
 
[DebuggerTypeProxy(typeof(RuntimeVariablesExpressionProxy))]
public sealed class RuntimeVariablesExpression : Expression
{
    public sealed override Type Type => typeof(IRuntimeVariables);
 
    public sealed override ExpressionType NodeType => ExpressionType.RuntimeVariables;
 
    public ReadOnlyCollection<ParameterExpression> Variables { get; }
 
    internal RuntimeVariablesExpression(ReadOnlyCollection<ParameterExpression> variables)
    {
        Variables = variables;
    }
 
    protected internal override Expression Accept(ExpressionVisitor visitor)
    {
        return visitor.VisitRuntimeVariables(this);
    }
 
    public RuntimeVariablesExpression Update(IEnumerable<ParameterExpression> variables)
    {
        if (variables != null && ExpressionUtils.SameElements(ref variables, Variables))
        {
            return this;
        }
        return Expression.RuntimeVariables(variables);
    }
}