Sources/Validators/Null.ps1
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<#
.SYNOPSIS Creates a new validator that ensures the validated value is `$null`. .OUTPUTS The newly created validator. #> function New-ValidatorNull { [CmdletBinding()] [OutputType([Belin.Validation.Validator])] param ( # The error message describing the validation failure. [Parameter(Mandatory, Position = 1)] [string] $Reason ) New-Validator $Reason { $null -eq $_ } } <# .SYNOPSIS Creates a new validator that ensures the validated value is not `$null`. .OUTPUTS The newly created validator. #> function New-ValidatorNotNull { [CmdletBinding()] [OutputType([Belin.Validation.Validator])] param ( # The error message describing the validation failure. [Parameter(Mandatory, Position = 1)] [string] $Reason ) New-Validator $Reason { $null -ne $_ } } |