RangeSelected<T> constructor

RangeSelected<T>(int min, int max, { String? message, })

Creates a new instance of the RangeSelected validation rule.

• min: The minimum required number of selected items (required).
• max: The maximum allowed number of selected items (required).
• message: A custom validation message (optional) to be displayed when the validation fails.

Implementation

RangeSelected(this.min, this.max, {String? message}) : super(message);