How can I use the fmt package for advanced formatting in Go?

How can I use the fmt package for advanced formatting in Go?

The fmt package in Go provides various formatting options. You can use verbs like %v for default formatting, %s for strings, and %d for integers. For advanced formatting, you can also specify width and precision.

Can you give me an example of formatting a float with two decimal places?

Sure! You can format a float to two decimal places using fmt.Printf("%.2f", yourFloatVariable). This will round the float to two decimal places.

What about formatting a struct?

To format a struct, you can use fmt.Printf("%+v", yourStructVariable). This will print the struct's field names along with their values.

Is there a way to format output for JSON?

Yes, you can use json.Marshal to convert your data structure to JSON format, and then use fmt.Println to print it.