- Introduction to Crystal: What Is Crystal and Why Use It?
- Setting Up Your Crystal Development Environment
- Your First Crystal Program: Hello World
- Crystal Syntax and Structure Explained
- Variables and Constants in Crystal
- Data Types in Crystal: Numbers, Strings, and Booleans
- Control Structures in Crystal: if, else, and case
- Loops in Crystal: while, for, and until
- Working with Arrays in Crystal
- String Manipulation in Crystal
- Basic Input and Output in Crystal
- Functions in Crystal: Defining and Calling Functions
- Working with Methods and Arguments in Crystal
- Using Blocks in Crystal
- Error Handling in Crystal with
raise and rescue
- Understanding Crystal's Type System
- Object-Oriented Programming in Crystal
- Classes and Structs in Crystal
- Introduction to Inheritance and Polymorphism in Crystal
- Working with Modules and Mixins in Crystal
- Crystal’s Type Inference: When to Specify Types
- Using the
each Iterator for Looping
- Working with Hashes in Crystal
- Introduction to File I/O in Crystal
- Writing Simple Tests in Crystal Using
spec
- Basic Debugging Techniques in Crystal
- Using Crystal's Built-in Standard Library
- Crystal's Garbage Collection System
- Understanding Crystal's Memory Management
- Building a Simple Web Application with Crystal
- Crystal's Handling of Concurrency and Threads
- A Beginner's Guide to Crystal's Standard Library
- Working with Regular Expressions in Crystal
- Understanding and Using Crystal's Macros
- Crystal’s String Interpolation and Formatting
- Building a Simple Command-Line Application in Crystal
- Defining and Using Enum Types in Crystal
- Introduction to Crystal's Community and Ecosystem
- Understanding and Using Crystal's Channels
- Unit Testing in Crystal with
spec
- Advanced Data Types in Crystal: Tuples, Arrays, and Hashes
- Method Overloading in Crystal
- Modules and Mixins in Depth
- Using Lambdas and Proc in Crystal
- Type Constraints and Abstract Types in Crystal
- Pattern Matching in Crystal
- Advanced Error Handling: Custom Exception Classes in Crystal
- Understanding Crystal’s Compile-Time Features
- Working with JSON and YAML in Crystal
- Crystal’s Integrated Web Frameworks: Kemal and Amber
- Integrating Crystal with Databases: SQL and NoSQL
- Parallelism and Concurrency in Crystal: Threads vs. Fibers
- Crystal’s Memory Management and Performance Optimization
- Creating and Using Modules in Crystal
- How to Build a Simple HTTP Server in Crystal
- Using Crystal for Networking and Sockets
- File Handling and Directory Operations in Crystal
- Working with Time and Date in Crystal
- Introduction to Crystal’s Reflection and Meta-Programming
- Working with External Libraries in Crystal (Bindings, FFI)
- Building APIs with Crystal: RESTful Web Services
- Testing in Crystal: Writing and Running Specs
- Handling Exceptions and Custom Error Types in Crystal
- Crystal’s Performance Tuning: Benchmarking and Profiling
- Working with Cryptography and Security in Crystal
- Advanced Iterators and Collections in Crystal
- Using Crystal's Built-in Concurrency Model
- Serialization and Deserialization in Crystal
- Using Crystal for Systems Programming
- Working with External Tools and Scripts from Crystal
- Understanding Crystal's Type System and Constraints
- Using Crystal’s Scheduled Tasks and Cron Jobs
- Exploring Crystal's Event Loop and Fiber Scheduler
- Writing Concurrent Applications with Crystal Fibers
- Creating and Managing Threads in Crystal
- Building a Real-Time Web Application with Crystal and WebSockets
- Creating and Using Custom Exceptions in Crystal
- Working with File Streams and Binary Data in Crystal
- Testing for Concurrency in Crystal
- Using Co-routines and Parallel Processing in Crystal
- Advanced Macros in Crystal: Generating Code at Compile-Time
- Co-routines and Async Programming in Crystal
- Building High-Performance Applications with Crystal
- Using Crystal for Metaprogramming
- Building Command-Line Tools with Crystal
- Writing Crystal Bindings for C Libraries
- Advanced Reflection and Introspection in Crystal
- Building a Custom Crystal Compiler
- Crystal for Machine Learning: Integrating with Python and R
- Performance Optimization in Crystal: Memory and Speed
- Crystal and WebAssembly: Compiling to WASM
- Advanced Concurrency in Crystal: Actor Model and Event-Driven Programming
- Building Distributed Systems in Crystal
- Exploring Crystal's Type System and Compiler Internals
- Advanced Network Programming with Crystal
- Building Real-Time Applications with Crystal and WebSockets
- Using Crystal in Containers: Docker and Kubernetes
- Working with REST and GraphQL APIs in Crystal
- Developing and Deploying Scalable Applications with Crystal
- The Future of Crystal: Emerging Trends and Community Innovations
These 100 chapters cover the entire spectrum of Crystal programming, from setting up your environment and writing basic programs to advanced topics like performance optimization, concurrency, and building scalable systems. Whether you're just getting started or you're an experienced developer, this roadmap will help guide you through mastering Crystal.