File: ServiceLookup\Expressions\ExpressionsServiceProviderEngine.cs
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Project: src\src\libraries\Microsoft.Extensions.DependencyInjection\src\Microsoft.Extensions.DependencyInjection.csproj (Microsoft.Extensions.DependencyInjection)
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System;
using System.Diagnostics.CodeAnalysis;
 
namespace Microsoft.Extensions.DependencyInjection.ServiceLookup
{
    internal sealed class ExpressionsServiceProviderEngine : ServiceProviderEngine
    {
        private readonly ExpressionResolverBuilder _expressionResolverBuilder;
 
        public ExpressionsServiceProviderEngine(ServiceProvider serviceProvider)
        {
            _expressionResolverBuilder = new ExpressionResolverBuilder(serviceProvider);
        }
 
        public override Func<ServiceProviderEngineScope, object> RealizeService(ServiceCallSite callSite)
        {
            return _expressionResolverBuilder.Build(callSite);
        }
    }
}