getAsNullableBoolean method

bool? getAsNullableBoolean(
  1. String key
)

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

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

See BooleanConverter.toNullableBoolean

Implementation

bool? getAsNullableBoolean(String key) {
  var value = get(key);
  return BooleanConverter.toNullableBoolean(value);
}