Elk -- The Extension Language Kit
Scheme Reference

Oliver Laumann

Table of Contents

• 1. Introduction  
• 2. Lambda Expressions, Procedures  
• 3. Local Bindings  
• 4. Fluid Binding  
• 5. Definitions  
• 6. Assignment  
• 7. Procedure Application  
• 8. Quotation, Quasiquotation  
• 9. Sequencing  
• 10. Conditionals  
• 11. Booleans  
• 12. Iteration  
• 13. Continuations  
• 14. Delayed Evaluation  
• 15. Equivalence Predicates  
• 16. Pairs and Lists  
• 17. Numbers  
• 18. Characters  
• 19. Strings  
• 20. Vectors  
• 21. Symbols  
• 22. Environments  
• 23. Ports and Files  
• 24. Input  
• 25. Output  
• 26. String Ports  
• 27. Loading  
• 28. Macros  
• 29. Error and Exception Handling  
• 30. Garbage Collection  
• 31. Features  
• 32. Miscellaneous  
• 33. R^4RS Language Features not Implemented by Elk