Explain the use of Go functions for encapsulating code logic?

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Jayant Kumar · Accepted Answer

In Go, a function is a named sequence of statements that can be called by other parts of the program to perform a specific task. Functions are the basic building blocks of Go programs and are used extensively to encapsulate and reuse code logic.
A function in Go is defined using the func keyword, followed by the function name, a list of zero or more input parameters enclosed in parentheses, and an optional return type. The basic syntax of a Go function is as follows:
func functionName(parameter1 type, parameter2 type) returnType {
    // function body
    return result
}

Here, functionName is the name of the function, parameter1 and parameter2 are the input parameters of the function, returnType is the type of the value returned by the function, and result is the value returned by the function.
Go functions can also have multiple return values, which are specified in the function signature using parentheses. For example:
func swap(x, y int) (int, int) {
    return y, x
}

This function takes two integers as input parameters and returns them in reverse order.
Functions in Go can be defined at the package level or at the block level. Package-level functions are defined outside of any block, while block-level functions are defined inside a block, such as a loop or an if statement.
In summary, Go functions are a fundamental concept in Go programming and are used extensively to encapsulate and reuse code logic.

Explain the use of Go functions for encapsulating code logic?

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Explain the use of Go functions for encapsulating code logic?

Jayant Kumar @jayantkumar314

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