custom error

政采云技术

Dec 2, 2021 · Backend Development

Understanding Go's Error Handling: Design, Best Practices, and Common Pitfalls

This article explains the design of Go's error type, why errors are returned as pointers, compares error handling across languages, discusses panic, wild goroutines, sentinel and custom errors, and presents practical guidelines such as processing errors once, eliminating redundant checks, and wrapping errors for richer context.