100 Go Mistakes And How To Avoid Them Pdf Download [better] -

Re-implementing features present in stdlib. Fix: check packages (time, net/http, io, bufio, etc.) first.

Go, also known as Golang, is a statically typed, compiled language developed by Google in 2009. Its design goals include simplicity, reliability, and speed. Go has gained popularity in recent years due to its ease of use, performance, and concurrency features. 100 Go Mistakes And How To Avoid Them Pdf Download

Ignoring context cancellation in operations. Fix: check ctx.Done() and return quickly. Re-implementing features present in stdlib

// ❌ Mistake #3: Closing HTTP response body incorrectly resp, _ := http.Get(url) defer resp.Body.Close() // may leak if resp is nil etc.) first. Go

Assuming copying a slice copies underlying array. Fix: use copy(dst, src) for separate backing arrays.

Don't just read about performance mistakes; run the provided go test -bench examples.