crystal-concurrency
Use when implementing concurrent programming in Crystal using fibers, channels, and parallel execution patterns for high-performance, non-blocking applications.
crystal-engineer
Use when working with Crystal language development including WebSocket communication, TLS/SSL configuration, HTTP frameworks, ORM operations, and high-performance concurrent systems.
crystal-macros
Use when implementing compile-time metaprogramming in Crystal using macros for code generation, DSLs, compile-time computation, and abstract syntax tree manipulation.
csharp-async-patterns
Use when C# asynchronous programming with async/await, Task, ValueTask, ConfigureAwait, and async streams for responsive applications.
csharp-linq
Use when lINQ (Language Integrated Query) with query and method syntax, deferred execution, expression trees, and performance optimization.
csharp-nullable-types
Use when C# nullable reference types and value types for null safety, nullable annotations, and patterns for handling null values.
elixir-ecto-patterns
Use when Elixir Ecto patterns including schemas, changesets, queries, and transactions. Use when building database-driven Elixir applications.
elixir-otp-patterns
Use when Elixir OTP patterns including GenServer, Supervisor, Agent, and Task. Use when building concurrent, fault-tolerant Elixir applications.
elixir-pattern-matching
Use when Elixir pattern matching including function clauses, case statements, with statements, and destructuring. Use for elegant control flow.
Erlang Concurrency
Use when erlang's concurrency model including lightweight processes, message passing, process links and monitors, error handling patterns, selective receive, and building massively concurrent systems on the BEAM VM.
Erlang Distribution
Use when erlang distributed systems including node connectivity, distributed processes, global name registration, distributed supervision, network partitions, and building fault-tolerant multi-node applications on the BEAM VM.
Erlang OTP Behaviors
Use when oTP behaviors including gen_server for stateful processes, gen_statem for state machines, supervisors for fault tolerance, gen_event for event handling, and building robust, production-ready Erlang applications with proven patterns.
Gleam Actor Model
Use when oTP actor patterns in Gleam including processes, message passing, GenServer implementations, supervisors, fault tolerance, state management, and building concurrent, fault-tolerant applications on the Erlang VM.
Gleam Erlang Interop
Use when gleam-Erlang interoperability including calling Erlang code from Gleam, using Erlang libraries, external functions, working with Erlang types, NIFs, and leveraging the BEAM ecosystem from Gleam applications.
Gleam Type System
Use when gleam's type system including algebraic data types, custom types, pattern matching, generic types, type inference, opaque types, exhaustive checking, and functional error handling for building type-safe Erlang VM applications.
go-concurrency
Use when Go concurrency with goroutines, channels, and sync patterns. Use when writing concurrent Go code.
go-error-handling
Use when Go error handling with error wrapping, sentinel errors, and custom error types. Use when handling errors in Go applications.
go-interfaces
Use when Go interfaces including interface design, duck typing, and composition patterns. Use when designing Go APIs and abstractions.
java-concurrency
Use when Java concurrency with ExecutorService, CompletableFuture, and virtual threads. Use when building concurrent applications.
java-generics
Use when Java generics including type parameters, wildcards, and type bounds. Use when writing type-safe reusable code.
java-streams-api
Use when Java Streams API for functional-style data processing. Use when processing collections with streams.
Kotlin Coroutines
Use when kotlin coroutines for structured concurrency including suspend functions, coroutine builders, Flow, channels, and patterns for building efficient asynchronous code with cancellation and exception handling.
Lua Tables Patterns
Use when lua tables as the universal data structure including arrays, dictionaries, objects, metatables, object-oriented patterns, data structures, and advanced table manipulation for building flexible, efficient Lua applications.
Nim C Interop
Use when nim-C interoperability including calling C from Nim, wrapping C libraries, importc/exportc pragmas, header generation, FFI patterns, and building high-performance systems code integrating Nim with existing C codebases.
Nim Memory Management
Use when nim's memory management including garbage collection strategies, manual memory control, destructors, move semantics, ref/ptr types, memory safety, and optimization techniques for performance-critical systems programming.
Nim Metaprogramming
Use when nim's metaprogramming including macros, templates, compile-time evaluation, AST manipulation, code generation, DSL creation, and leveraging compile-time computation for performance and abstraction in systems programming.
Objective-C ARC Patterns
Use when automatic Reference Counting in Objective-C including strong/weak references, retain cycles, ownership qualifiers, bridging with Core Foundation, and patterns for memory-safe code without manual retain/release.
Objective-C Blocks and GCD
Use when blocks (closures) and Grand Central Dispatch in Objective-C for concurrent programming including block syntax, capture semantics, dispatch queues, dispatch groups, and patterns for thread-safe asynchronous code.
Objective-C Protocols and Categories
Use when objective-C protocols for defining interfaces and categories for extending classes, including formal protocols, optional methods, class extensions, and patterns for modular, reusable code design.
PHP Composer and Autoloading
Use when composer package management and PSR-4 autoloading including dependency management, autoload strategies, package creation, version constraints, and patterns for modern PHP project organization and distribution.
PHP Modern Features
Use when modern PHP features including typed properties, union types, match expressions, named arguments, attributes, enums, and patterns for writing type-safe, expressive PHP code with latest language improvements.
PHP Security Patterns
Use when essential PHP security patterns including input validation, SQL injection prevention, XSS protection, CSRF tokens, password hashing, secure session management, and defense-in-depth strategies for building secure PHP applications.
python-async-patterns
Master Python asynchronous programming with asyncio, async/await,
python-data-classes
Use when Python data modeling with dataclasses, attrs, and Pydantic. Use when creating data structures and models.
python-type-system
Use when Python's type system including type hints, mypy, Protocol, TypedDict, and Generics. Use when working with Python type annotations.
ruby-blocks-procs-lambdas
Use when working with Ruby blocks, procs, lambdas, and functional programming patterns including closures and higher-order functions.
ruby-gems-bundler
Use when working with Ruby gems, Bundler for dependency management, creating gemspecs, and publishing gems to RubyGems.
ruby-metaprogramming
Use when working with Ruby metaprogramming features including dynamic method definition, method_missing, class_eval, define_method, and reflection.
ruby-oop
Use when working with Ruby's object-oriented programming features including classes, modules, inheritance, mixins, and method visibility.
ruby-standard-library
Use when working with Ruby's standard library including Enumerable, File I/O, Time/Date, Regular Expressions, and core classes.
rust-async-patterns
Use when Rust async programming with tokio, async/await, and futures. Use when writing asynchronous Rust code.
rust-error-handling
Use when Rust error handling with Result, Option, custom errors, thiserror, and anyhow. Use when handling errors in Rust applications.
rust-ownership-system
Use when Rust's ownership system including ownership rules, borrowing, lifetimes, and memory safety. Use when working with Rust memory management.
Scala Collections
Use when scala collections including immutable/mutable variants, List, Vector, Set, Map operations, collection transformations, lazy evaluation with views, parallel collections, and custom collection builders for efficient data processing.
Scala Functional Patterns
Use when functional programming patterns in Scala including higher-order functions, immutability, pattern matching, algebraic data types, monads, for-comprehensions, and functional composition for building robust, type-safe applications.
Scala Type System
Use when scala's advanced type system including generics, variance, type bounds, implicit conversions, type classes, higher-kinded types, path-dependent types, and abstract type members for building type-safe, flexible APIs.
Swift Concurrency
Use when swift's modern concurrency model including async/await, actors, task groups, structured concurrency, and async sequences for building safe, performant concurrent code without data races or callback pyramids.
Swift Optionals Patterns
Use when swift's optional handling patterns including optional binding, chaining, nil coalescing, and modern approaches to safely working with optional values while avoiding common pitfalls and force unwrapping.
Swift Protocol-Oriented Programming
Use when protocol-oriented programming in Swift including protocol extensions, default implementations, protocol composition, associated types, and designing flexible, reusable abstractions that favor composition over inheritance.
typescript-async-patterns
Use when typeScript async patterns including Promises, async/await, and async iterators with proper typing. Use when writing asynchronous TypeScript code.
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