Monadic types for Golang using samber/mo — Option, Result, Either, Future, IO, Task, and State types for type-safe nullable values, error handling, and functional composition with…
Functional programming helpers for Golang using samber/lo — 500+ type-safe generic functions for slices, maps, channels, strings, math, tuples, and concurrency (Map, Filter,…
samber/do DI container knowledge — Provide/Invoke, named providers, scoped injectors, shutdown order, testing overrides, migration from manual wiring.
Golang everyday observability — the always-on signals in production. Covers structured logging with slog, Prometheus metrics, OpenTelemetry distributed tracing, continuous…
samber/lo generic collection helpers knowledge — Map/Filter/Reduce/FilterMap/GroupBy/KeyBy/Chunk/Uniq/Must/Try, stdlib slices overlap, parallel.Map, performance caveats.
Structured error handling in Golang with samber/oops — error builders, stack traces, error codes, error context, error wrapping, error attributes, user-facing vs developer…
Structured logging extensions for Golang using samber/slog-**** packages — multi-handler pipelines (slog-multi), log sampling (slog-sampling), attribute formatting…
Build a complete Chrome browser extension with Manifest V3 -- generate popup UI with React 19 and Tailwind CSS, content scripts with Shadow DOM isolation, background service…
In-memory caching in Golang using samber/hot — eviction algorithms (LRU, LFU, TinyLFU, W-TinyLFU, S3FIFO, ARC, TwoQueue, SIEVE, FIFO), TTL, cache loaders, sharding,…
Generate opening hooks for long-form articles in EN or FR — blog posts, Substack/Medium/dev.to, LinkedIn long-form, paid newsletters, opinion essays, reported features, technical…
Reactive streams and event-driven programming in Golang using samber/ro — ReactiveX implementation with 150+ type-safe operators, cold/hot observables, 5 subject types (Publish,…
samber/oops structured errors knowledge — attributes (Code/In/With/Hint/Owner/Public), stack traces, APM serialization, HTTP boundary safety, errors.Is/As compatibility.