operator - method

Vector2 operator -(
  1. Object other
)

Implementation

Vector2 operator -(Object other) {
  if (other is Vector2) {
    return Vector2(x - other.x, y - other.y);
  } else if (other is num) {
    return Vector2(x - other, y - other);
  }
  throw ArgumentError('Invalid operand type for -');
}