C# 7

Author: Hosch250

Rubberduck.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 14
-VisualStudioVersion = 14.0.25420.1
+# Visual Studio 15
+VisualStudioVersion = 15.0.26730.12
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Rubberduck", "RetailCoder.VBE\Rubberduck.csproj", "{20589DE8-432E-4359-9232-69EB070B7185}"
 	ProjectSection(ProjectDependencies) = postProject

RubberduckTests/Inspections/ObsoleteCallStatementInspectionTests.cs

@@ -20,9 +20,8 @@ public void ObsoleteCallStatement_ReturnsResult()
 @"Sub Foo()
     Call Foo
 End Sub";
-            
-            IVBComponent component;
-            var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out component);
+
+            var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out var _);
             var state = MockParser.CreateAndParse(vbe.Object);
 
             var inspection = new ObsoleteCallStatementInspection(state);
@@ -41,8 +40,7 @@ public void ObsoleteCallStatement_DoesNotReturnResult()
     Foo
 End Sub";
 
-            IVBComponent component;
-            var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out component);
+            var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out var _);
             var state = MockParser.CreateAndParse(vbe.Object);
 
             var inspection = new ObsoleteCallStatementInspection(state);
@@ -81,8 +79,7 @@ public void ObsoleteCallStatement_ReturnsResult_ColonInComment()
     Call Foo ' I''ve got a colon: see?
 End Sub";
 
-            IVBComponent component;
-            var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out component);
+            var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out var _);
             var state = MockParser.CreateAndParse(vbe.Object);
 
             var inspection = new ObsoleteCallStatementInspection(state);
@@ -101,8 +98,7 @@ public void ObsoleteCallStatement_ReturnsResult_ColonInStringLiteral()
     Call Foo("":"")
 End Sub";
 
-            IVBComponent component;
-            var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out component);
+            var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out var _);
             var state = MockParser.CreateAndParse(vbe.Object);
 
             var inspection = new ObsoleteCallStatementInspection(state);
@@ -125,8 +121,7 @@ Sub Goo(arg1 As Integer, arg1 As String)
     Call Foo
 End Sub";
 
-            IVBComponent component;
-            var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out component);
+            var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out var _);
             var state = MockParser.CreateAndParse(vbe.Object);
 
             var inspection = new ObsoleteCallStatementInspection(state);
@@ -149,8 +144,7 @@ Sub Goo(arg1 As Integer, arg1 As String)
     Foo
 End Sub";
 
-            IVBComponent component;
-            var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out component);
+            var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out var _);
             var state = MockParser.CreateAndParse(vbe.Object);
 
             var inspection = new ObsoleteCallStatementInspection(state);
@@ -170,8 +164,7 @@ public void ObsoleteCallStatement_Ignored_DoesNotReturnResult()
     Call Foo
 End Sub";
 
-            IVBComponent component;
-            var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out component);
+            var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out var _);
             var state = MockParser.CreateAndParse(vbe.Object);
 
             var inspection = new ObsoleteCallStatementInspection(state);
@@ -203,8 +196,7 @@ Sub Goo(arg1 As Integer, arg1 As String)
     Foo
 End Sub";
 
-            IVBComponent component;
-            var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out component);
+            var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out var component);
             var state = MockParser.CreateAndParse(vbe.Object);
 
             var inspection = new ObsoleteCallStatementInspection(state);
@@ -244,8 +236,7 @@ Sub Goo(arg1 As Integer, arg1 As String)
     Call Foo
 End Sub";
 
-            IVBComponent component;
-            var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out component);
+            var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out var component);
             var state = MockParser.CreateAndParse(vbe.Object);
 
             var inspection = new ObsoleteCallStatementInspection(state);

appveyor.yml

@@ -13,11 +13,11 @@ branches:
   - master
   - next
 skip_tags: true
-image: Visual Studio 2015
+image: Visual Studio 2017
 configuration: Release
 platform: Any CPU
 install:
-- cmd: set PATH=C:\Program Files (x86)\MSBuild\14.0\Bin;%PATH%
+- cmd: set PATH=C:\Program Files (x86)\MSBuild\15.0\Bin;%PATH%
 init:
   - git config --global core.autocrlf true
 before_build: