Software Design for Flexibility: How to Avoid Programming Yourself into a Corner |
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|---|---|
| Authors: | Hanson, Chris & Sussman, Gerald Jay |
| Publisher: | MIT Press |
| BISAC/Subject: | COM051240, COM051000, COM014000 |
| ISBN: | 9780262362474, Related ISBNs: 0262045494, 0262362473, 9780262045490, 9780262362474 |
| Classification: | Non-Fiction |
| Number of pages: | 448, |
| Audience: | General/trade |
Synopsis: Strategies for building large systems that can be easily adapted for new situations with only minor programming modifications.
Time pressures encourage programmers to write code that works well for a narrow purpose, with no room to grow. But the best systems are evolvable; they can be adapted for new situations by adding code, rather than changing the existing code. The authors describe techniques they have found effective--over their combined 100-plus years of programming experience--that will help programmers avoid programming themselves into corners.
The authors explore ways to enhance flexibility by:
• Organizing systems using combinators to compose mix-and-match parts, ranging from small functions to whole arithmetics, with standardized interfaces
• Augmenting data with independent annotation layers, such as units of measurement or provenance
• Combining independent pieces of partial information using unification or propagation
• Separating control structure from problem domain with domain models, rule systems and pattern matching, propagation, and dependency-directed backtracking
• Extending the programming language, using dynamically extensible evaluators
Time pressures encourage programmers to write code that works well for a narrow purpose, with no room to grow. But the best systems are evolvable; they can be adapted for new situations by adding code, rather than changing the existing code. The authors describe techniques they have found effective--over their combined 100-plus years of programming experience--that will help programmers avoid programming themselves into corners.
The authors explore ways to enhance flexibility by:
• Organizing systems using combinators to compose mix-and-match parts, ranging from small functions to whole arithmetics, with standardized interfaces
• Augmenting data with independent annotation layers, such as units of measurement or provenance
• Combining independent pieces of partial information using unification or propagation
• Separating control structure from problem domain with domain models, rule systems and pattern matching, propagation, and dependency-directed backtracking
• Extending the programming language, using dynamically extensible evaluators
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