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Static vs. Dynamic Scoping

• Advantages of static scoping:
  • Readability
  • Locality of reasoning
  • Less run-time overhead

• Disadvantages:
  • Some loss of flexibility

• Advantages of dynamic scoping:
  • Some extra convenience

• Disadvantages:
  • Loss of readability
  • Unpredictable behavior (no locality of reasoning)
  • More run-time overhead