Merge pull request #160 from GoodOlClint/PSUseOutputTypeCorrectly

Suppress PSUseOutputTypeCorrectly warning when function outputs System.Void

Author: yutingc

Rules/UseOutputTypeCorrectly.cs

@@ -110,6 +110,7 @@ public override AstVisitAction VisitFunctionDefinition(FunctionDefinitionAst fun
                     || String.Equals(typeof(Unreached).FullName, typeName, StringComparison.OrdinalIgnoreCase)
                     || String.Equals(typeof(Undetermined).FullName, typeName, StringComparison.OrdinalIgnoreCase)
                     || String.Equals(typeof(object).FullName, typeName, StringComparison.OrdinalIgnoreCase)
+                    || String.Equals(typeof(void).FullName, typeName, StringComparison.OrdinalIgnoreCase)
                     || outputTypes.Contains(typeName, StringComparer.OrdinalIgnoreCase))
                 {
                     continue;

Tests/Rules/GoodCmdlet.ps1

@@ -91,6 +91,7 @@ function Get-File
     {
         if ($pscmdlet.ShouldContinue("Yes", "No")) {
         }
+        [System.Void] $Param3
     }
 }