From 09c0cf7dd3d8e096cb2af47ed4b01d5747abd6e7 Mon Sep 17 00:00:00 2001
From: Manigandan Jegannathan <jegannat@deshaw.com>
Date: Mon, 8 Jun 2020 19:27:50 +0400
Subject: [PATCH] Remove unnecessary casting

---
 Rules/ReviewUnusedParameter.cs | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/Rules/ReviewUnusedParameter.cs b/Rules/ReviewUnusedParameter.cs
index 2f3a842db..a1336aed7 100644
--- a/Rules/ReviewUnusedParameter.cs
+++ b/Rules/ReviewUnusedParameter.cs
@@ -90,20 +90,16 @@ private static bool IsBoundParametersReference(Ast ast)
                 && memberAst.Member is StringConstantExpressionAst memberStringAst
                 && memberStringAst.Value.Equals("BoundParameters", StringComparison.OrdinalIgnoreCase))
             {
-                MemberExpressionAst meAst = (MemberExpressionAst)ast;
-
                 // $MyInvocation.BoundParameters
-                if (meAst.Expression is VariableExpressionAst veAst
+                if (memberAst.Expression is VariableExpressionAst veAst
                     && veAst.VariablePath.UserPath.Equals("MyInvocation", StringComparison.OrdinalIgnoreCase))
                 {
                     return true;
                 }
 
                 // $PSCmdlet.MyInvocation.BoundParameters
-                if (meAst.Expression is MemberExpressionAst)
+                if (memberAst.Expression is MemberExpressionAst meAstNested)
                 {
-                    MemberExpressionAst meAstNested = (MemberExpressionAst)meAst.Expression;
-
                     if (meAstNested.Expression is VariableExpressionAst veAstNested
                         && veAstNested.VariablePath.UserPath.Equals("PSCmdlet", StringComparison.OrdinalIgnoreCase)
                         && meAstNested.Member is StringConstantExpressionAst sceAstNested