You have a Go struct with a field that should be treated as a string when encoded to JSON, but as an integer when decoded. How would you achieve this?
- Define separate struct types for encoding and decoding purposes and convert between them as needed.
- Implement custom encoding and decoding methods for the struct.
- Use struct tags json:"fieldname,omitempty" to specify the JSON encoding and decoding behavior.
- Utilize the json.Marshal and json.Unmarshal functions with custom logic for the specific field.
Struct Tags in Go provide a concise way to specify encoding and decoding behavior for struct fields. By using json:"fieldname,omitempty", you can instruct the JSON encoder to treat the field as a string when encoding to JSON and as an integer when decoding. This approach ensures clarity and maintainability in your code.
Loading...
Related Quiz
- How would you handle URL parameters in a Go web application?
- Which data type in Go is used to represent a sequence of characters?
- Anonymous functions in Go do not have a _______.
- What does the '==' operator do in Go when used with slices?
- In complex projects, it's recommended to break down database migrations into smaller, _______ changes.