The gotchas of Go that will get you if you don’t get them first — traps, gotchas, and common mistakes…

Kyle Quest:

A lot of these gotchas may seem obvious if you took the time to learn the language reading the official spec, wiki, mailing list discussions, many great posts and presentations by Rob Pike, and the source code. Not everybody starts the same way though and that’s OK. If you are new to Go the information here will save you hours debugging your code. This post covers Go 1.5 and below.