getDouble method

double? getDouble(
  1. dynamic key, {
  2. double? defaultValue,
})

Implementation

double? getDouble(dynamic key, {double? defaultValue}) {
  final value = this[key];
  if (value is double) return value;
  if (value is String) return double.tryParse(value) ?? defaultValue;
  if (value is int) return value.toDouble();
  return defaultValue;
}