Transpilers/Core/PipeScript.ParameterTypeConstraint.psx.ps1
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<# #> [ValidateScript({ $_.Parent -is [Management.Automation.Language.ParameterAst] })] param( [Parameter(Mandatory,ParameterSetName='ParameterAst',ValueFromPipeline)] [Management.Automation.Language.TypeConstraintAst] $TypeConstraintAST ) process { # First, find the script block that this parameter lives within. # We may need it to determine any greater context $astPointer = $TypeConstraintAST $scriptBlockContext = do { # do this by walking up the parents $astPointer = $astPointer.Parent } while ($astPointer -isnot [Management.Automation.Language.ScriptBlockAst]) # until it is a script block AST. $isRealType = $TypeConstraintAST.TypeName.GetReflectionType() if ($isRealType) { return } Invoke-PipeScript -TypeConstraint $TypeConstraintAST } |