Get-Array

function Get-Array {
    Param (
        [Parameter(Mandatory, Position = 0)] [scriptblock] $Scriptblock
    )
    $Result = & $Scriptblock
    if (0 -eq $Result) { return , (, $Result) }
    if (-not $Result) { return , @() }
    if ($Result -is [array]) {
        return (. {if ($Result.Count -eq 1) { , $Result } else { $Result }})
    }
    return , @($Result)
}