isNullOrZeroOrNegative property

bool get isNullOrZeroOrNegative

isNullOrZeroOrNegative: Checks if the object is null, zero or negative.

Implementation

bool get isNullOrZeroOrNegative {
  if (this is num) {
    return this == null || (this! as num) <= 0;
  }
  return this == null || this == '';
}