Go Methods

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Revision as of 00:35, 31 August 2024 by Ovidiu (talk | contribs) (→‎Overview)
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Overview

Go allows associating arbitrary behavior with built-in or custom types, which contributes to the object-oriented character of the language. Note that Go is not a fully object-oriented language, it misses type inheritance, for example.

Syntactically, the association of the behavior with the type is done by declaring a function, encapsulating the behavior we want to add to the type, and adding a receiver type to its signature:

func (t ReceiverType) FunctionName(parameters, ...) (return_declaration) {
 ...
}

As result of this association, the function becomes a method of the type.