golang-samber-oops

You can add structured context to Go errors by using a fluent builder pattern to attach key-value metadata, stack traces, and codes as errors propagate through HTTP handlers, services, and repositories. This ensures consistent context propagation and improved diagnosability.

Separating public error messages from technical details in Go is achieved by attaching a user-facing public message alongside internal context and stack traces to the error. This allows safe external exposure while preserving internal observability for debugging.

Recovering from panics and capturing them as structured errors in Go involves using a dedicated recovery method during error wrapping. This converts recoverable panics into structured errors with attached stack traces and context, preventing application crashes while maintaining error visibility.

Yes, you can propagate Go context into error handling builders by extracting or injecting context values directly into the error builder. This links the error instance to request-scoped data, ensuring errors carry relevant contextual metadata across service boundaries.

Structured error handling improves observability in multi-layer Go applications by attaching machine-readable codes, stack traces, and contextual metadata to errors. This produces structured error outputs compatible with structured logging, simplifying root cause analysis and tracing.

You need machine-readable error codes in Go error handling when building production-grade systems that require programmatic error differentiation. Attaching explicit codes to errors allows upstream HTTP handlers to trigger specific retry logic or return precise API responses.