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by cjfd 300 days ago
Mandatory this can also be a major hit in readability. What if you have a class that implements the abc-formula. You get

  (- this->b + sqrt(this->b * this->b - 4 this->a * this->c))/(2 * this->a)
and

  (- this->b - sqrt(this->b * this->b - 4 this->a * this->c))/(2 * this->a)
This is a readability problem for any class that is used to do computations.