Download Scala in Depth by Joshua Suereth D. PDF

By Joshua Suereth D.

Summary

Scala in Depth is a distinct new ebook designed that will help you combine Scala successfully into your improvement technique. by means of offering the rising top practices and designs from the Scala group, it courses you thru dozens of robust recommendations instance by means of example.
About the Book
Scala is a robust JVM language that blends the practical and OO programming types. You'll don't have any difficulty getting introductions to Scala in books or on-line, yet it's demanding to discover nice examples and insights from skilled practitioners. You'll locate them in Scala in Depth.

There's little heavy-handed concept here—just dozens of crisp, sensible innovations for coding in Scala. Written for readers who comprehend Java, Scala, or one other OO language.

Purchase comprises unfastened PDF, ePub, and Kindle eBooks downloadable at manning.com.
What's Inside* Concise, expressive, and readable code style
* tips on how to combine Scala into your current Java projects
* Scala's 2.8.0 collections API
* how you can use actors for concurrent programming
* studying the Scala style system
* Scala's OO features—type member inheritance, a number of inheritance, and composition
* useful options and patterns—immutability, applicative functors, and monads

========================================​==========
Table of Contents<ol>* Scala—a combined language
* The middle rules
* Modicum of style—coding conventions
* using item orientation
* utilizing implicits to write down expressive code
* the kind system
* utilizing implicits and kinds together
* utilizing the perfect collection
* Actors
* Integrating Scala with Java
* styles in sensible programming
</ol>

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Sample text

There’s no option for reducing the amount of space used by the program. Because the interpretation happens at runtime there’s a performance overhead you can’t get rid of. It’s frustrating because all the information is there in the format string at compile time, but it’s not evaluated until runtime. However, if you could parse the arguments in the format string at compile time you could make hard function calls that have the potential to be much faster than a runtime interpreter (although the printf( ) family of functions is usually quite well optimized).

Cpp isn’t the best solution to the case sensitivity problem, so we’ll revisit it when we examine string comparisons. Chapter 14: Templates & Container Classes 42 Finding in reverse Sometimes it’s necessary to search through a string from end to beginning, if you need to find the data in “last in / first out “ order. The string member function rfind( ) handles this job. = string::npos){ // Push each word into the vector. // Current is incremented before copying to // avoid copying the delimiter.

Begin(); The way toupper( ) and the iterators are used in this example is called a case preserving case insensitive comparison. This means that the string didn’t have to be copied or rewritten to accommodate case insensitive comparison. Both of the strings retain their original data, unmodified. Iterating in reverse Just as the standard C pointer gives us the increment (++) and decrement (--) operators to make pointer arithmetic a bit more convenient, C++ string iterators come in two basic Chapter 14: Templates & Container Classes 54 varieties.

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