Higher-order PowerShell function

gistfile1.ps1

# Create a function that accepts a function that takes arguments
Function Test ([scriptblock]$code, $name) {

    & $code "$name+$name" | % {
        New-Object PSObject -Property @{
            Name = $name
            Prop = "**$_**"
        }
    }
}    

# Create a function to call
Function  Set-Lower ([string]$x) {
  $x.ToLowerInvariant()
}   

# Create a suitable script block to wrap the function and take a parameter
$b = [scriptblock] { param([string]$Target = "PARAM") Set-Lower $Target }            

# Invoke the Test function passing it a scriptblock and argument
Test $b Junku