Method Syntax in Go: Unraveling the Meaning of Brackets After func
In Go, beginners may encounter code snippets like the following, where brackets are immediately appended to func:
func (v Version) MarshalJSON() ([]byte, error) { return json.Marshal(v.String()) }
This syntax might leave you wondering: "What exactly do those brackets signify?"
To clarify, we're not dealing with a regular function here but a method. Specifically, this code defines a method named MarshalJSON for the Version struct type.
Let's deconstruct the syntax:
For further elaboration and examples, refer to the Go by Example website. More technical details can be found in the Go Language Specification.
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