book

Études for Elixir

by J. David Eisenberg

October 2014

Beginner to intermediate

150 pages

2h 32m

English

O'Reilly Media, Inc.

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Elixir

Contributor GuidelinesHow to ContributeCreate a GitHub accountCopy (“fork”) the project repository to your accountEdit your file using AsciiDocDouble check your submission and add your biographySubmit a pull requestEngage in back-and-forth
What are Études for Elixir?How This Book was WrittenElixir is a Young LanguageAcknowledgments
Étude 1-1: Experimenting with Errors
Étude 2-1: Writing a FunctionÉtude 2-2: Writing a Function with Default ValuesÉtude 2-3: Documenting a ModuleÉtude 2-4: Discovery Étude
Étude 3-1: Pattern MatchingÉtude 3-2: GuardsÉtude 3-3: UnderscoresÉtude 3-4: Tuples as Parameters
Étude 4-1: Using caseÉtude 4-2: RecursionÉtude 4-3: Non-Tail Recursive FunctionsÉtude 4-4: Tail Recursion with an AccumulatorÉtude 4-5: Recursion with a Helper Function
Étude 5-1: Validating InputÉtude 5-2: Better Validation with Regular ExpressionsÉtude 5-3: Using String.split
Étude 6-1: Recursive Iteration through a ListÉtude 6-2: Accumulating the Sum of a ListInterlude: “Mistakes were made.”Étude 6-3: Lists of ListsÉtude 6-4: Random Numbers; Generating Lists of Lists
Étude 7-1: Creating a HashDict from a FileOpening FilesÉtude 7-2: Creating Structures from a FileÉtude 7-3: Using StructuresÉtude 7-4: Protocols with Structures
Étude 8-1: Simple Higher Order FunctionsÉtude 8-2: List Comprehensions and Pattern MatchingÉtude 8-3: Using lists:foldl/3Étude 8-4: Using Enum.split/2Étude 8-5: Multiple Generators in List ComprehensionsÉtude 8-6: Explaining an Algorithm

Étude 9-1: Using Processes to Simulate a Card GameThe Art of WarWar: What is it good for?Pay Now or Pay LaterThe DesignMessages Are AsynchronousHints for Testing
Étude 10-1: try and rescueÉtude 10-2: Logging Errors
Étude 11-1: Using ETSPart OnePart Two
Étude 12-1: Get the WeatherObtaining Weather DataParsing the DataSet up a SupervisorÉtude 12-2: Wrapper FunctionsÉtude 12-3: Independent Server and ClientÉtude 12-4: Chat RoomThe Chatroom ModuleThe Person ModuleWrapper Functions for the Person modulePutting it All Together
Étude 13-1: Atomic weightsÉtude 13-2: Adding DurationsÉtude 13-3: Adding Durations (operator version)
Solution 2-1geom.exSolution 2-2geom.exSolution 2-3geom.exSolution 3-1geom.exSolution 3-2geom.exSolution 3-3geom.exSolution 3-4geom.exSolution 4-1geom.exSolution 4-2dijkstra.exSolution 4-2dijkstra.exSolution 4-3powers.expowers_traced.exSolution 4-4powers.exSolution 4-5powers.exSolution 5-1geom.exask_area.exSolution 5-2ask_area.exSolution 5-3dates.exSolution 6-1stats.exSolution 6-2dates.exdates.exSolution 6-3teeth.exstats.exSolution 6-4non_fp.exSolution 7-1college.exSolution 7-1geography.exSolution 7-3geography.exSolution 7-4city.exSolution 8-1calculus.exSolution 8-2list_comp.exSolution 8-3stats.exSolution 8-4dates.exSolution 8-5cards.exSolution 8-6cards.exSolution 9-1cards.exgame.explayer.exSolution 10-1stats.exSolution 10-2bank.exSolution 11-1phone_ets.exgenerate_calls.exSolution 12-1weather.exweather_sup.exSolution 12-2weather.exSolution 12-3Solution 12-4chatroom.experson.exSolution 13-1atomic_maker.exatomic.exSolution 13-2duration.exSolution 13-3duration.ex
The Simplest PatternsMatching Sets of CharactersAnchorsRepetition

Overview

This book includes descriptions of programs that you can write in Elixir. The programs will usually be short, and each one has been designed to provide practice material for a particular Elixir programming concept. These programs have not been designed to be of considerable difficulty, though they may ask you to stretch a bit beyond the immediate material and examples that you find in the book Introducing Elixir.