Identifying areas for potential code reuse is not always obvious. People learn and remember things in different ways; on a large team, and in a large project, keeping the entirety of a code base in your head is frequently an improbable proposition. Some manage. Some find themselves rewriting functions monotonously, either on a tight sprint deadline or simply because it’s easier to copy paste than it is to generalize. Refactoring is, ultimately, a luxury - but one that is worthwhile to inves...
