NumberRangeRule constructor

const NumberRangeRule({
  1. required num min,
  2. required num max,
  3. String? message,
})

Creates a number range validation rule. min is the optional minimum value. max is the optional maximum value. message is the optional error message. At least one of min or max must be provided.

Implementation

const NumberRangeRule({required this.min, required this.max, String? message})
    : message = message ?? 'Value must be between $min and $max.';