getAsNullableDouble method

double? getAsNullableDouble(
  1. String key
)

Converts map element into a double or returns null if conversion is not possible.

  • key a key of element to get. Returns double value of the element or null if conversion is not supported.

See DoubleConverter.toNullableDouble

Implementation

double? getAsNullableDouble(String key) {
  var value = get(key);
  return DoubleConverter.toNullableDouble(value);
}