error-handling-patterns

Implement the circuit breaker pattern to prevent cascading failures when external services become unavailable. It monitors calls and trips the circuit to stop requests, allowing graceful degradation and improving overall system resilience.

Handle errors in Rust and Go using Result types and error values rather than exceptions. This pattern forces explicit error checking at the call site, ensuring robust error propagation and preventing unhandled runtime failures.

Error aggregation works by collecting multiple errors into a single composite error object. This allows comprehensive context preservation across operations, preventing individual failures from aborting entire workflows in resilient applications.

Swallowing exceptions causes problems because it hides failures by catching too broadly without rethrowing. This leads to silent data corruption and unpredictable application state, making debugging and fault tolerance extremely difficult.

Yes, you can use result types instead of exceptions for robust API design. Result types represent explicit success or error states in the return value, avoiding control flow disruptions and making error handling predictable across language boundaries.

Create a custom exception hierarchy by defining domain-specific error classes that inherit from a base exception. This enables graceful degradation by allowing targeted catch blocks to handle specific failures while preserving error context.