optionalValidatedFileProperty
fun optionalValidatedFileProperty(initialValue: File?, validation: (ValidatedProperty<File?>, File?, File?) -> File?): PropertyDelegate<File?, OptionalFileProperty>
A Kotlin delegate to create an OptionalValidatedFileProperty. Typical usage :
val fooProperty by optionalValidatedFileProperty( initialValue ) { value -> ... }
var foo by fooPropertyContent copied to clipboard