PipeScript

0.1.1

Types/VariableExpressionAST/ConvertFromAST.ps1

                                # Most variables we will not know the value of until we have run.

# the exceptions to the rule are:  $true, $false, and $null

if ($this.variablePath.userPath -in 'true', 'false', 'null') {

    $ExecutionContext.SessionState.PSVariable.Get($this.variablePath).Value

} else {

    $this

}