https://badlyenginee.red/tags/json/ Recent content in json on John Hooks Hugo -- gohugo.io en Sun, 19 Feb 2023 12:04:13 -0500 https://badlyenginee.red/posts/2023-02-19-json-marshaling/ Sun, 19 Feb 2023 12:04:13 -0500 https://badlyenginee.red/posts/2023-02-19-json-marshaling/ Go’s standard library has a convenient way of handling JSON verification and default values through the Marshaler and Unmarshaler interfaces. This means we don’t necessarily need separate methods to handle this data verification/manipulation. Unmarshaler Let’s pretend our system can’t allow users that are under the age 13 and we need a default timezone. var ( ErrTooYoung = fmt.Errorf("too young") ErrTZNotFound = fmt.Errorf("invalid timezone, must be one of %v", timezones) ) type TimeZone string var timezones = [.