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May 14, 2021 · Backend Development

Mastering Go’s errors package: New, Unwrap, Is, and As explained

This article explains Go's built‑in error interface and the standard library errors package, covering how to create errors with New, unwrap nested errors, compare errors with Is, and extract concrete error types with As, including custom error examples.

Error handlingGolangas

0 likes · 9 min read

Mastering Go’s errors package: New, Unwrap, Is, and As explained

System Architect Go

Oct 18, 2019 · Backend Development

Error Handling in Go Before and After Go 1.13

This article explains Go's built‑in error interface, the traditional ways of creating and checking errors before Go 1.13, and the new errors.Unwrap, errors.Is, errors.As functions plus the %w verb in fmt.Errorf introduced in Go 1.13 for error wrapping and inspection.

Error handlingaserrors-package

0 likes · 5 min read

Error Handling in Go Before and After Go 1.13