Simply Scheme: Introducing Computer Science

2/e Copyright (C) 1999 MIT

Table of Contents

Brian Harvey University of California, Berkeley Matthew Wright Stanford University Download PDF frontmatter [no back] chapter thread NEXT MIT Press web page for Simply Scheme

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• Foreword by Hal Abelson (frontmatter in PDF) (HTML)
• Preface (HTML)
• To the Instructor (HTML)
• Acknowledgements (HTML)
• I. Introduction: Functions (HTML)
  • 1. Showing Off Scheme (PDF) (HTML)
  • 2. Functions (PDF) (HTML)
• II. Composition of Functions (HTML)
  • 3. Expressions (PDF) (HTML)
  • 4. Defining Your Own Procedures (PDF) (HTML)
  • 5. Words and Sentences (PDF) (HTML)
  • 6. True and False (PDF) (HTML)
  • 7. Variables (PDF) (HTML)
• III. Functions as Data (HTML)
  • 8. Higher-Order Functions (PDF) (HTML)
  • 9. Lambda (PDF) (HTML)
  • Project: Scoring Bridge Hands (HTML)
  • 10. Example: Tic-Tac-Toe (PDF) (HTML)
• IV. Recursion (HTML)
  • 11. Introduction to Recursion (PDF) (HTML)
  • 12. The Leap of Faith (PDF) (HTML)
  • 13. How Recursion Works (PDF) (HTML)
  • 14. Common Patterns in Recursive Procedures (PDF) (HTML)
  • Project: Spelling Names of Huge Numbers (HTML)
  • 15. Advanced Recursion (PDF) (HTML)
  • Project: Scoring Poker Hands (HTML)
  • 16. Example: Pattern Matcher (PDF) (HTML)
• V. Abstraction (HTML)
  • 17. Lists (PDF) (HTML)
  • 18. Trees (PDF) (HTML)
  • 19. Implementing Higher-Order Functions (PDF) (HTML)
• VI. Sequential Programming (HTML)
  • 20. Input and Output (PDF) (HTML)
  • 21. Example: The Functions Program (PDF) (HTML)
  • 22. Files (PDF) (HTML)
  • 23. Vectors (PDF) (HTML)
  • 24. Example: A Spreadsheet Program (PDF) (HTML)
  • 25. Implementing the Spreadsheet Program (PDF) (HTML)
  • Project: A Database Program (HTML)
• VII. Conclusion: Computer Science (HTML)
  • 26. What's Next? (PDF) (HTML)
• Appendices
  • A. Running Scheme (backmatter in PDF) (HTML)
  • B. Common Lisp (HTML)
  • C. Scheme Initialization File (HTML)
  • D. GNU General Public License (HTML)
• Credits (HTML)
• Alphabetical Table of Scheme Primitives (HTML)
• Glossary (HTML)
• Index of Defined Procedures (HTML)
• General Index (HTML)
• Table of Scheme Primitives by Category (HTML)

Foreword by Hal Abelson

(frontmatter in PDF) (HTML)

Preface

(HTML)

• One Big Idea: Symbolic Programming
• Lisp and Radical Computer Science
• Who Should Read This Book
• How to Read This Book

• Lists and Sentences
• Sentences and Words
• Overloading in the Text Abstraction
• Higher-Order Procedures, Lambda, and Recursion
• Mutators and Environments

• Talking to Scheme
• Recovering from Typing Errors
• Exiting Scheme
• More Examples
• Example: Acronyms
• Example: Pig Latin
• Example: Ice Cream Choices
• Example: Combinations from a Set
• Example: Factorial
• Play with the Procedures

• Arithmetic
• Words
• Domain and Range
• More Types: Sentences and Booleans
• Our Favorite Type: Functions
• Play with It
• Thinking about What You've Done

• Little People
• Result Replacement
• Plumbing Diagrams
• Pitfalls

• How to Define a Procedure
• Special Forms
• Functions and Procedures
• Argument Names versus Argument Values
• Procedure as Generalization
• Composability
• The Substitution Model
• Pitfalls

• Selectors
• Constructors
• First-Class Words and Sentences
• Pitfalls

• Predicates
• Using Predicates
• If Is a Special Form
• So Are And and Or
• Everything That Isn't False Is True
• Decisions, Decisions, Decisions
• If Is Composable
• Pitfalls

• How Little People Do Variables
• Global and Local Variables
• The Truth about Substitution
• Let
• Pitfalls

• Every
• A Pause for Reflection
• Keep
• Accumulate
• Combining Higher-Order Functions
• Choosing the Right Tool
• First-Class Functions and First-Class Sentences
• Repeated
• Pitfalls

• Procedures That Return Procedures
• The Truth about Define
• The Truth about Let
• Name Conflicts
• Named and Unnamed Functions
• Pitfalls

• A Warning
• Technical Terms in Tic-Tac-Toe
• Thinking about the Program Structure
• The First Step: Triples
• Finding the Triples
• Using Every with Two-Argument Procedures
• Can the Computer Win on This Move?
• If So, in Which Square?
• Second Verse, Same as the First
• Now the Strategy Gets Complicated
• Finding the Pivots
• Taking the Offensive
• Leftovers
• Complete Program Listing

• A Separate Procedure for Each Length
• Use What You Have to Get What You Need
• Notice That They're All the Same
• Notice That They're Almost All the Same
• Base Cases and Recursive Calls
• Pig Latin
• Problems for You to Try
• Our Solutions
• Pitfalls

• From the Combining Method to the Leap of Faith
• Example: Reverse
• The Leap of Faith
• The Base Case
• Example: Factorial
• Likely Guesses for Smaller Subproblems
• Example: Downup
• Example: Evens
• Simplifying Base Cases
• Pitfalls

• Little People and Recursion
• Tracing
• Pitfalls

• The Every Pattern
• The Keep Pattern
• The Accumulate Pattern
• Combining Patterns
• Helper Procedures
• How to Use Recursive Patterns
• Problems That Don't Follow Patterns
• Pitfalls

• Example: Sort
• Example: From-Binary
• Example: Mergesort
• Example: Subsets
• Pitfalls

• Extra Work for Hotshots

• Problem Description
• Implementation: When Are Two Sentences Equal?
• When Are Two Sentences Nearly Equal?
• Matching with Alternatives
• Backtracking
• Matching Several Words
• Combining the Placeholders
• Naming the Matched Text
• The Final Version
• Abstract Data Types
• Backtracking and Known-Values
• How We Wrote It
• Complete Program Listing

• Selectors and Constructors
• Programming with Lists
• The Truth about Sentences
• Higher-Order Functions
• Other Primitives for Lists
• Association Lists
• Functions That Take Variable Numbers of Arguments
• Recursion on Arbitrary Structured Lists
• Pitfalls

• Example: The World
• How Big Is My Tree?
• Mutual Recursion
• Searching for a Datum in the Tree
• Locating a Datum in the Tree
• Representing Trees as Lists
• Abstract Data Types
• An Advanced Example: Parsing Arithmetic Expressions
• Pitfalls

• Generalizing Patterns
• The Every Pattern Revisited
• The Difference between Map and Every
• Filter
• Accumulate and Reduce
• Robustness
• Higher-Order Functions for Structured Lists
• The Zero-Trip Do Loop
• Pitfalls

• Printing
• Side Effects and Sequencing
• The Begin Special Form
• This Isn't Functional Programming
• Not Moving to the Next Line
• Strings
• A Higher-Order Procedure for Sequencing
• Tic-Tac-Toe Revisited
• Accepting User Input
• Aesthetic Board Display
• Reading and Writing Normal Text
• Formatted Text
• Sequential Programming and Order of Evaluation
• Pitfalls

• The Main Loop
• The Difference between a Procedure and Its Name
• The Association List of Functions
• Domain Checking
• Intentionally Confusing a Function with Its Name
• More on Higher-Order Functions
• More Robustness
• Complete Program Listing

• Ports
• Writing Files for People to Read
• Using a File as a Database
• Transforming the Lines of a File
• Justifying Text
• Preserving Spacing of Text from Files
• Merging Two Files
• Writing Files for Scheme to Read
• Pitfalls

• The Indy 500
• Vectors
• Using Vectors in Programs
• Non-Functional Procedures and State
• Shuffling a Deck
• More Vector Tools
• The Vector Pattern of Recursion
• Vectors versus Lists
• State, Sequence, and Effects
• Pitfalls

• Limitations of Our Spreadsheet
• Spreadsheet Commands
• Moving the Selection
• Putting Values in Cells
• Formulas
• Displaying Formula Values
• Loading Spreadsheet Commands from a File
• Application Programs and Abstraction

• Cells, Cell Names, and Cell IDs
• The Command Processor
• Cell Selection Commands
• The Load Command
• The Put Command
• The Formula Translator
• The Dependency Manager
• The Expression Evaluator
• The Screen Printer
• The Cell Manager
• Complete Program Listing

• A Sample Session with Our Database
• How Databases Are Stored Internally
• The Current Database
• Implementing the Database Program Commands
• Additions to the Program
• Extra Work for Hotshots

• The Best Computer Science Book
• Beyond SICP
• Standard Scheme
• Last Words

Appendices

• The Program Development Cycle
• Integrated Editing
• Getting Our Programs
• Tuning Our Programs for Your System
• Loading Our Programs
• Versions of Scheme
• Scheme Standards

• Why Common Lisp Exists
• Defining Procedures and Variables
• The Naming Convention for Predicates
• No Words or Sentences
• True and False
• Files
• Arrays
• Equivalents to Scheme Primitives
• A Separate Name Space for Procedures
• Lambda
• More about Function
• Writing Higher-Order Procedures

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