Question 1

How to create a nested JSON array with Jsongo?

Accepted Answer

Use the j.Array() method to create arrays and nest them within objects using .Put(). For example, j.Object().Put('skills', j.Array().Put('Golang').Put('Android')) builds a nested structure.

Question 2

Jsongo vs using map[string]interface{} for JSON in Go?

Accepted Answer

Jsongo provides a fluent API that reduces boilerplate and improves readability compared to manual map manipulation. However, map[string]interface{} is more standard and may be sufficient for simple cases without extra dependencies.

Question 3

How to remove a field from a JSON object in Jsongo?

Accepted Answer

Call the .Remove() method on the Jsongo object with the field name as argument, as shown in the README example json.Remove('skills').

Question 4

Does Jsongo support JSON parsing or just construction?

Accepted Answer

Jsongo is focused solely on JSON construction; it does not include features for parsing JSON strings into Go structures. For parsing, you'd need to use Go's standard library or other libraries.

Question 5

What's the performance impact of using Jsongo?

Accepted Answer

While not benchmarked in the README, the fluent interface adds some overhead due to method calls and dynamic field management. For high-performance needs, static struct marshaling with encoding/json might be faster.

Question 6

How to format JSON output with indentation in Jsongo?

Accepted Answer

Use the .Indent() method on any Jsongo object or array to get a formatted string with proper indentation, as demonstrated in the usage examples.

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