How to Design Programs Languages

▼ |  | How to Design Programs Languages

1 | Beginning Student
2 | Beginning Student with List Abbreviations
3 | Intermediate Student
4 | Intermediate Student with Lambda
5 | Advanced Student

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How to Design Programs Languages

9.2.0.5
HtDP
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# How to Design Programs Languages🔗ℹ

The languages documented in this manual are provided by DrRacket to be used with the How to Design Programs book.

When programs in these languages are run in DrRacket, any part of the program that was not run is highlighted in orange and black. These colors are intended to give the programmer feedback about the parts of the program that have not been tested. To avoid seeing these colors, use check-expect to test your program. Of course, just because you see no colors, does not mean that your program has been fully tested; it simply means that each part of the program has been run (at least once).

While these languages are normally selected using the Choose Language dialog in DrRacket, they can also be accessed using the #lang language directive as the first line of code in DrRacket or other editors.

- Beginning Student #lang htdp/bsl

- Beginning Student with List Abbreviations #lang htdp/bsl+

- Intermediate Student #lang htdp/isl

- Intermediate Student with lambda #lang htdp/isl+

- Advanced Student #lang htdp/asl

1 Beginning Student
1.1 Pre-defined Variables
1.2 Template Variables
1.3 Syntax
1.4 Signatures
1.4.1 Signature Forms
1.4.2 Struct Signatures
1.5 Pre-defined Functions
1.6 Numbers: Integers, Rationals, Reals, Complex, Exacts, Inexacts
1.7 Booleans
1.8 Symbols
1.9 Lists
1.10 Posns
1.11 Characters
1.12 Strings
1.13 Images
1.14 Misc
1.15 Signatures
2 Beginning Student with List Abbreviations
2.1 Pre-defined Variables
2.2 Template Variables
2.3 Syntaxes for Beginning Student with List Abbreviations
2.4 Common Syntaxes
2.5 Signatures
2.5.1 Signature Forms
2.5.2 Struct Signatures
2.6 Pre-defined Functions
2.7 Numbers: Integers, Rationals, Reals, Complex, Exacts, Inexacts
2.8 Booleans
2.9 Symbols
2.10 Lists
2.11 Posns
2.12 Characters
2.13 Strings
2.14 Images
2.15 Misc
2.16 Signatures
3 Intermediate Student
3.1 Pre-defined Variables
3.2 Template Variables
3.3 Syntax for Intermediate
3.4 Common Syntaxes
3.5 Signatures
3.5.1 Signature Forms
3.5.2 Struct Signatures
3.6 Pre-defined Functions
3.7 Numbers: Integers, Rationals, Reals, Complex, Exacts, Inexacts
3.8 Booleans
3.9 Symbols
3.10 Lists
3.11 Posns
3.12 Characters
3.13 Strings
3.14 Images
3.15 Misc
3.16 Signatures
3.17 Numbers (relaxed conditions)
3.18 String (relaxed conditions)
3.19 Posn
3.20 Higher-Order Functions
4 Intermediate Student with Lambda
4.1 Pre-defined Variables
4.2 Template Variables
4.3 Syntax for Intermediate with Lambda
4.4 Common Syntaxes
4.5 Pre-defined Functions
4.6 Signatures
4.6.1 Signature Forms
4.6.2 Struct Signatures
4.7 Numbers: Integers, Rationals, Reals, Complex, Exacts, Inexacts
4.8 Booleans
4.9 Symbols
4.10 Lists
4.11 Posns
4.12 Characters
4.13 Strings
4.14 Images
4.15 Misc
4.16 Signatures
4.17 Numbers (relaxed conditions)
4.18 String (relaxed conditions)
4.19 Posn
4.20 Higher-Order Functions
4.21 Numbers (relaxed conditions plus)
4.22 Higher-Order Functions (with Lambda)
5 Advanced Student
5.1 Pre-defined Variables
5.2 Template Variables
5.3 Syntax for Advanced
5.4 Common Syntaxes
5.5 Pre-Defined Functions
5.6 Signatures
5.6.1 Signature Forms
5.6.2 Struct Signatures
5.7 Numbers: Integers, Rationals, Reals, Complex, Exacts, Inexacts
5.8 Booleans
5.9 Symbols
5.10 Lists
5.11 Posns
5.12 Characters
5.13 Strings
5.14 Images
5.15 Misc
5.16 Signatures
5.17 Numbers (relaxed conditions)
5.18 String (relaxed conditions)
5.19 Posn
5.20 Higher-Order Functions
5.21 Numbers (relaxed conditions plus)
5.22 Higher-Order Functions (with Lambda)
5.23 Reading and Printing
5.24 Vectors
5.25 Boxes
5.26 Hash Tables

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