PowerShell class accessor

AccessorClass.ps1

# Original code
# https://stackoverflow.com/questions/39717230/powershell-class-implement-get-set-property
# This technique is so impressive!
class c {
    hidden $_p = $($this | Add-Member ScriptProperty 'p' `
        {
            # get
            "getter $($this._p)"
        }`
        {
            # set
            param ( $arg )
            $this._p = "setter $arg"
        }
    )
}