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Sams Teach Yourself Ruby in 21 Days
book

Sams Teach Yourself Ruby in 21 Days

by Mark Slagell
March 2002
Beginner
560 pages
12h 14m
English
Sams
Content preview from Sams Teach Yourself Ruby in 21 Days

Summary

Our objective for today was to learn how to make a class easy to use. IntegerMatrix turns out to have quite a lot of functionality, and perhaps we can't convincingly say we succeeded in keeping its interface small. But we did make it quite intuitive, so that a user would be able to do a lot of things right the first time even when guessing. Our constructor does a good job of setting up each new matrix based on the supplied information; the basic mathematical operators all seem to do what they should; to_s and inspect make it easy for the user to see what each IntegerMatrix object is made of.

We're in Week 3 now, the home stretch. Tomorrow is to be the first of two “putting it together” sessions; that means that rather than introduce new ...

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Publisher Resources

ISBN: 0672322528Purchase book