What are some advanced techniques for using JSON structs in Go?
In Go, advanced techniques for JSON structs include using custom marshaling, embedding structs, and using tags for field customization.
Can you explain custom marshaling with an example?
Sure! Custom marshaling allows you to define how a struct is converted to JSON. You implement the MarshalJSON
method on your struct.
What about using struct embedding?
Struct embedding lets you include fields from another struct, which can simplify your JSON structure and reduce redundancy.
How do JSON tags work in Go?
JSON tags in Go specify how struct fields are named in the JSON output. For example, json:"name"
will use 'name' as the key in the JSON.
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