increment static method

Map<String, Object?> increment(
  1. num delta
)

Implementation

static Map<String, Object?> increment(num delta) {
  if (!delta.isFinite) {
    throw clientValidationError(
      'Increment delta must be finite.',
      'Pass a finite number.',
    );
  }
  return Map.unmodifiable({r'$increment': delta});
}