doubleValue method

double? doubleValue(
  1. String key, [
  2. double? defaultValue
])

Gets double value.

Implementation

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