Erlang Cheatsheet
Quick reference guide for Erlang — Concurrent, fault-tolerant telecom systems
Table of Contents
Atoms & Tuples in Erlang provides essential functionality for building robust applications. Understanding these concepts helps you write cleaner, more maintainable code and follow Erlang best practices.
Key Concepts
- •Understanding atoms & tuples is essential for effective Erlang development. Master the fundamentals before moving to advanced patterns.
- •Best practices include writing clean, readable code with proper naming conventions and consistent formatting.
- •Refer to the official Erlang documentation for the latest syntax and API changes.
Pattern matching provides concise syntax for branching logic based on data structure. It replaces verbose if-else chains with declarative, exhaustive matching expressions.
Key Concepts
- •Understanding pattern matching is essential for effective Erlang development. Master the fundamentals before moving to advanced patterns.
- •Best practices include writing clean, readable code with proper naming conventions and consistent formatting.
- •Refer to the official Erlang documentation for the latest syntax and API changes.
Functions & Guards in Erlang provides essential functionality for building robust applications. Understanding these concepts helps you write cleaner, more maintainable code and follow Erlang best practices.
Key Concepts
- •Understanding functions & guards is essential for effective Erlang development. Master the fundamentals before moving to advanced patterns.
- •Best practices include writing clean, readable code with proper naming conventions and consistent formatting.
- •Refer to the official Erlang documentation for the latest syntax and API changes.
Related Cheatsheets
About Erlang
Erlang is a functional programming language created by Ericsson in 1986. It is primarily used for concurrent, fault-tolerant telecom systems. Erlang uses dynamic typing, which offers flexibility and rapid prototyping but requires careful attention to type-related bugs.
Why Use This Erlang Cheatsheet?
- ✓Quick Reference — Find syntax and patterns instantly without searching through documentation.
- ✓Organized by Topic — 10 sections covering all major Erlang concepts, from basics to advanced.
- ✓Always Updated — Covers the latest Erlang features and best practices for 2026.
- ✓Searchable — Use the search bar to jump to exactly the concept you need.
Getting Started with Erlang
Whether you're new to Erlang or an experienced developer looking for a quick reference, this cheatsheet covers the essential concepts you need. Start with the fundamentals like atoms & tuples and pattern matching, then progress to more advanced topics like supervisor trees and ets.
Erlang has been widely adopted since its creation in 1986, with a strong community and ecosystem. Files typically use the .erl extension. For the most comprehensive and up-to-date information, always refer to the official Erlang documentation alongside this cheatsheet.
Frequently Asked Questions
What is Erlang used for?
Erlang is primarily used for concurrent, fault-tolerant telecom systems. It was created by Ericsson in 1986 and follows the functional paradigm.
Is Erlang hard to learn?
Erlang has a moderate learning curve. Start with the basics covered in sections like Atoms & Tuples and Pattern Matching, then gradually work through more advanced topics. This cheatsheet helps by providing quick references for each concept.
How do I use this cheatsheet?
Use the search bar to find specific topics, click section headers to expand/collapse content, and use the table of contents for quick navigation. You can also expand or collapse all sections at once.