Advanced Features in 5.10

  1. Advanced Features
  2. defined or
  3. Turn on features explicitly
  4. say
  5. feature is a lexical pragma
  6. state
  7. regex: Named capture buffers
  8. Possessive quantifier
  9. smartmatch ~~ - Don't use it!
  10. Smart match example - Don't use it!
  11. switch - Don't use it!