internal/Was-Bound.ps1
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function Was-Bound { <# .SYNOPSIS Helperfunction that tests, whether a parameter was bound. .DESCRIPTION Helperfunction that tests, whether a parameter was bound. .PARAMETER ParameterName The name of the parameter that is tested for being bound. .PARAMETER Not Rverses the result. Returns true if NOT bound and false if bound. .PARAMETER BoundParameters The hashtable of bound parameters. Is automatically inherited from the calling function via default value. Needs not be bound explicitly. .EXAMPLE if (Was-Bound "Day") { } Snippet as part of a function. Will check whether the parameter "Day" was bound. If yes, whatever logic is in the conditional will be executed. .NOTES Additional information about the function. #> [CmdletBinding()] Param ( [Parameter(Mandatory = $true, Position = 0)] [string] $ParameterName, [Alias('Reverse')] [switch] $Not, [object] $BoundParameters = (Get-PSCallStack)[0].InvocationInfo.BoundParameters ) return ((-not $Not) -eq $BoundParameters.ContainsKey($ParameterName)) } |