121: Highlights

• Procedure abstraction hides the details of computations inside functions, thus moving those details behind an abstraction barrier.
• You should practice procedure abstraction so as to take advantage of the following benefits:
  • Your programs become easier to reuse.
  • Your programs become easier to read.
  • Your programs become easier to debug.
  • Your programs become easier to augment.
  • Your programs become easier to improve.
  • Your programs become easier to adapt.