Welcome to Elixir Engine

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Basics

Introduction

Elixir is a functional language for scalable and concurrent web applications.

Installation

Elixir installation uses asdf or package managers to set up with Erlang.

Running Code

Elixir code runs via iex or mix with .ex or .exs files.

Syntax

Elixir syntax uses pipes and pattern matching for concise code.

Variables

Elixir variables use dynamic typing with immutable bindings.

Data Types

Elixir data types include atoms integers and strings with dynamic typing.

Atoms

Elixir atoms are constants like :ok used for pattern matching.

Operators

Elixir operators include arithmetic and comparison with pipe operator.

If and Unless

Elixir if and unless control flow with pattern matching.

Case

Elixir case expressions handle conditions with pattern matching.

Cond

Elixir cond evaluates multiple conditions returning the first true.

Loops

Elixir loops use recursion or Enum with for comprehensions.

Comments

Elixir comments use # for single-line annotations.

Errors

Elixir errors use try-rescue with pattern-matched exceptions.

Debugging

Elixir debugging uses IO.inspect and :debugger for tracing.

Best Practices

Elixir best practices include immutability, explicit error handling.

Security Basics

Elixir security ensures safe input handling for web apps.

Modules

Elixir modules use defmodule for code organization and reuse.

Mix

Elixir Mix tool manages projects with mix.exs and dependencies.

IO

Elixir IO module handles console output and file operations.

Code Formatting

Elixir code formatting uses mix format for consistent style.

Functions

Elixir functions use def and defp with pattern matching.

Anonymous Functions

Elixir anonymous functions use fn with capture operator.

Pattern Matching

Elixir pattern matching uses = to destructure data in functions.

Named Functions

Elixir named functions define reusable logic within modules.

Function Arity

Elixir function arity specifies argument count for overloading.

Default Arguments

Elixir default arguments use \\ for optional parameters.

Function Captures

Elixir function captures use & for shorthand function references.

Recursion

Elixir recursive functions use tail calls for optimization.

Macros

Elixir macros generate code at compile-time with quote.

Metaprogramming

Elixir metaprogramming uses macros for dynamic code generation.

Structs

Elixir structs define typed maps with enforced keys.

Maps

Elixir maps store key-value pairs with dynamic keys.

Lists

Elixir lists are linked lists with head-tail operations.

Tuples

Elixir tuples store fixed-length data with fast access.

Keyword Lists

Elixir keyword lists are lists of key-value tuples for options.

Binaries

Elixir binaries handle raw bytes with bitstring patterns.

Strings

Elixir strings are UTF-8 binaries with string module functions.

Processes

Elixir processes are lightweight actors for concurrency.

Spawning Processes

Elixir spawning processes uses spawn for isolated tasks.

Message Passing

Elixir message passing uses send and receive for communication.

GenServer

Elixir GenServer manages stateful processes with callbacks.

Supervisors

Elixir supervisors monitor processes with restart strategies.

Tasks

Elixir Tasks run async operations with Task.async and await.

Agents

Elixir Agents manage shared state with simple APIs.

File Reading

Elixir file reading uses File.read with error handling.

File Writing

Elixir file writing uses File.write with buffered streams.

File Paths

Elixir file paths use Path for cross-platform handling.

File Deletion

Elixir file deletion uses File.rm with error checks.

HTTP Server

Elixir HTTP server uses Plug or Phoenix for web apps.

HTTP Client

Elixir HTTP client uses HTTPoison or Req for API calls.

HTTP Routing

Elixir HTTP routing uses Phoenix or Plug for endpoints.

JSON Handling

Elixir JSON handling uses Jason for encoding and decoding.

JSON Encoding

Elixir JSON encoding uses Jason.encode with structs.

JSON Decoding

Elixir JSON decoding uses Jason.decode with typed maps.

Phoenix Framework

Elixir Phoenix framework builds scalable web apps with channels.

Plug

Elixir Plug provides middleware for HTTP request handling.

REST APIs

Elixir REST APIs use Phoenix with JSON responses.

GraphQL APIs

Elixir GraphQL APIs use Absinthe for typed queries.

WebSockets

Elixir WebSockets use Phoenix Channels for real-time apps.

Authentication

Elixir authentication uses Guardian or Pow for secure APIs.

Environment Variables

Elixir environment variables use System.get_env for config.

CORS

Elixir CORS enables cross-origin requests with Plug.CORS.

Ecto

Elixir Ecto provides database queries with typed schemas.

PostgreSQL

Elixir PostgreSQL uses Ecto with typed queries.

MongoDB

Elixir MongoDB uses mongodb_driver for document data.

Redis

Elixir Redis uses Redix for caching and sessions.

Database Transactions

Elixir database transactions use Ecto.Multi for atomicity.

Database Migrations

Elixir database migrations use Ecto.Migrator for schema changes.

Ecto Queries

Elixir Ecto queries use Query DSL for typed database access.

Ecto Associations

Elixir Ecto associations define relationships like has_many.

Logging

Elixir logging uses Logger for structured log output.

Error Logging

Elixir error logging captures exceptions with Logger.

Request Logging

Elixir request logging tracks API calls with Plug.Logger.

Testing

Elixir testing uses ExUnit with mix test for assertions.

Unit Testing

Elixir unit testing uses assert macros for function tests.

Integration Testing

Elixir integration testing validates APIs with HTTPoison.

Mocking

Elixir mocking uses Mox for isolated unit tests.

Property Testing

Elixir property testing uses PropEr for random inputs.

REST API

Elixir REST API with Phoenix handles CRUD with JSON.

GraphQL API

Elixir GraphQL API with Absinthe supports typed queries.

Real-Time Chat

Elixir real-time chat uses Phoenix Channels for messaging.

Authentication API

Elixir authentication API uses Guardian for secure endpoints.

Database CRUD

Elixir database CRUD with Ecto handles data operations.

Concurrent Tasks

Elixir concurrent tasks use Task for parallel processing.

API Testing

Elixir API testing with HTTPoison validates REST endpoints.

Logging Setup

Elixir logging setup with Logger logs requests and errors.

Dockerized App

Elixir Dockerized app uses Dockerfile for deployment.

Phoenix LiveView

Elixir Phoenix LiveView creates reactive UIs without JavaScript.

Ecto Migration

Elixir Ecto migration updates database schemas with mix ecto.migrate.

Elixir Code Commenter

This page provides the Elixir Code Commenter tool. Utilize it for your tasks.

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Elixir Code Formatter

This page provides the Elixir Code Formatter tool. Utilize it for your tasks.

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Elixir Docstring Generator

This page provides the Elixir Docstring Generator tool. Utilize it for your tasks.

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Elixir Error Explainer

This page provides the Elixir Error Explainer tool. Utilize it for your tasks.

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Elixir Mix Task Reference

This page provides the Elixir Mix Task Reference tool. Utilize it for your tasks.

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Elixir Module Reference

This page provides the Elixir Module Reference tool. Utilize it for your tasks.

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Elixir Pattern Match Visualizer

This page provides the Elixir Pattern Match Visualizer tool. Utilize it for your tasks.

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Elixir Pipeline Explainer

This page provides the Elixir Pipeline Explainer tool. Utilize it for your tasks.

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Welcome to Elixir Engine

Basics

Functions

Macros

Structs

Data Structures

Concurrency

File I/O

HTTP

JSON

Web Development

Databases

Logging

Testing

Examples

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