book

Rust Standard Library Cookbook

Name: Rust Standard Library Cookbook
ISBN: 9781788623926

by Jan Hohenheim, Daniel Durante

March 2018

Intermediate to advanced

360 pages

6h 59m

English

Packt Publishing

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Title Page
Copyright and Credits
Rust Standard Library Cookbook
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Contributors
About the authorsAbout the reviewerPackt is searching for authors like you
Preface
Who this book is forWhat this book coversTo get the most out of this bookDownload the example code filesConventions usedSectionsGetting readyHow to do it…How it works…There's more…See alsoGet in touchReviewsDisclaimer
Learning the Basics
IntroductionConcatenating stringsGetting readyHow to do it...How it works...Using the format! macroHow to do it...How it works...There's more...Providing a default implementationHow to do it...How it works...Using the constructor patternGetting readyHow to do it...How it works...There's more...See alsoUsing the builder patternHow to do it...How it works...There's more...Parallelism through simple threadsHow to do it...How it works...There's more...See alsoGenerating random numbersHow to do it...How it works...There's more...Querying with regexesGetting readyHow to do it...How it works...There's more...See alsoAccessing the command lineHow to do it...How it works...There's more...Interacting with environment variablesHow to do it...How it works...There's more...Reading from stdinHow to do it...How it works...There's more...See alsoAccepting a variable number of argumentsGetting startedHow to do it...How it works...There's more...See also
Working with Collections
IntroductionUsing a vectorHow to do it...How it works...There's more...Using a stringHow to do it...How it works...There's more...Accessing collections as iteratorsHow to do it...How it works...There's more...See alsoUsing a VecDequeHow to do it...How it works...There's more...Using a HashMapHow to do it...How it works...There's more...Using a HashSetHow to do it...How it works...There's more...Creating an own iteratorHow to do it...How it works...There's more...Using a slabHow to do it...How it works...There's more...
Handling Files and the Filesystem
IntroductionWorking with text filesHow to do it...How it works...There's more...See alsoHandling bytesGetting readyHow to do it...How it works...There's more...Working with binary filesHow to do it...How it works...There's more...See alsoCompressing and decompressing dataHow to do it...How it works...There's more...Traversing the filesystemGetting readyHow to do it...How it works...There's more...See alsoFinding files with glob patternsHow to do it...How it works...See also
Serialization
IntroductionWorking with CSVGetting startedHow to do it...How it works...There's more...See alsoSerialization basics with SerdeHow to do it...How it works...There's more...See alsoWorking with TOMLGetting startedHow to do it...How it works...There's more...See alsoWorking with JSONGetting readyHow to do it...How it works...There's more...See alsoBuilding JSON dynamicallyHow to do it...How it works...See also
Advanced Data Structures
IntroductionCreating lazy static objectsHow to do it...How it works...There's more...See alsoWorking with bit fieldsGetting startedHow to do it...How it works...See alsoProviding custom derivesGetting startedHow to do it...How it works...There's more...Converting types into each otherHow to do it...How it works...Boxing dataHow to do it...How it works...There's more...See alsoSharing ownership with smart pointersHow to do it...How it works...There's more...See alsoWorking with interior mutabilityHow to do it...How it works...There's more...See also

Handling Errors
IntroductionProviding user-defined error typesHow to do it...How it works...There's more...Providing loggingHow to do it...How it works...There's more...Creating a custom loggerHow to do it...How it works...There's more...See alsoImplementing the Drop traitHow to do it...How it works...There's more...See alsoUnderstanding RAIIHow to do it...How it works...There's more...See also
Parallelism and Rayon
IntroductionParallelizing iteratorsHow to do it...How it works...See alsoRunning two operations togetherHow to do it...How it works...There's more...See alsoSharing resources in multithreaded closuresHow to do it...How it works...See alsoSending data across threadsHow to do it...How it works...There's more...See alsoAccessing resources in parallel with RwLocksHow to do it...How it works...There's more...See alsoAtomically accessing primitivesHow to do it...How it works...There's more...See alsoPutting it all together in a connection handlerHow to do it...How it works...There's more...
Working with Futures
IntroductionProviding futures with a CPU pool and waiting for themHow to do it...How it works...Handling errors in futuresHow to do it...How it works...See alsoCombining futuresHow to do it...How it works...See alsoUsing StreamsHow to do it...How it works...Using SinksHow to do it...How it works...Using the oneshot channelHow to do it...How it works...Returning futuresHow to do it...How it works...There's more...See alsoLocking resources with BiLocksHow to do it...How it works...
Networking
IntroductionSetting up a basic HTTP serverGetting readyHow to do it...How it works...See alsoConfiguring an HTTP server to perform echoing and routingGetting readyHow to do it...How it works...Configuring an HTTP server to perform file servingHow to do it...How it works...There's more...See alsoMaking requests to APIsHow to do it...How it works...There's more...See also
Using Experimental Nightly Features
IntroductionIterating over an inclusive rangeHow to do it...How it works...See alsoReturning abstract typesHow to do it...How it works...There's more...See alsoComposing functionsHow to do it...How it works...See alsoFiltering strings efficientlyHow to do it...How it works...See alsoStepping through an iterator in regular intervalsHow to do it...How it works...See alsoBenchmarking your codeHow to do it...How it works...There's more...See alsoUsing generatorsHow to do it...How it works...See also
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Content preview from Rust Standard Library Cookbook

Handling Errors

In this chapter, we will cover the following recipes:

Providing user-defined error types
Providing logging
Creating a custom logger
Implementing the Drop trait
Understanding RAII

Introduction

Mistakes happen, and that's okay. We are only human after all. The important thing in life and in programming is not which errors we make, but how we deal with them. Rust helps us with the programming aspect of this principle by providing us with an error handling concept that guarantees that we have to think about the consequences of failure when dealing with functions that can fail, as they don't return a value directly but wrapped in a Result that has to be opened somehow. The only thing left is designing our code in a way that integrates ...

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Rust Standard Library Cookbook

by Jan Hohenheim, Daniel Durante

Introduction

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.