From 9aeb2384f35db392daa1fe22d4dde8ec1bd2bb4c Mon Sep 17 00:00:00 2001
From: Michael Nebel <michaelnebel@github.com>
Date: Thu, 1 Jun 2023 10:20:54 +0200
Subject: [PATCH] C#: Improve LINQ expression based on review comments.

---
 .../Entities/Expressions/ImplicitCast.cs                     | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/csharp/extractor/Semmle.Extraction.CSharp/Entities/Expressions/ImplicitCast.cs b/csharp/extractor/Semmle.Extraction.CSharp/Entities/Expressions/ImplicitCast.cs
index 20daedc0ae8..ebd7379ee67 100644
--- a/csharp/extractor/Semmle.Extraction.CSharp/Entities/Expressions/ImplicitCast.cs
+++ b/csharp/extractor/Semmle.Extraction.CSharp/Entities/Expressions/ImplicitCast.cs
@@ -42,13 +42,12 @@ namespace Semmle.Extraction.CSharp.Entities.Expressions
         private static IMethodSymbol? GetImplicitConversionMethod(ITypeSymbol type, object value) =>
             type
                 .GetMembers()
-                .Where(m =>
-                    m is IMethodSymbol method &&
+                .OfType<IMethodSymbol>()
+                .Where(method =>
                     method.GetName() == "op_Implicit" &&
                     method.Parameters.Length == 1 &&
                     method.Parameters[0].Type.Name == value.GetType().Name
                 )
-                .Cast<IMethodSymbol>()
                 .FirstOrDefault();
 
         // Creates a new generated expression with an implicit cast added, if needed.