Golang Functions - Getting Started with Golang
In this Getting Started with Golang, we will learn how to use the Golang Functions with or without parameters, functions that have multiple returned types, and exportable or non-exportable functions in the Golang programming language with step by step guide.
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Source Codes:
package main
import (
"errors"
"fmt"
)
// GetAveNum ...
func GetAveNum(num1, num2 float64) (float64, string, int, []string, error) {
if num1 == 0 {
err := errors.New("num1 must not be a zero value")
return 0, "", 0, []string{""}, err
}
ave := (num1 / num2) * 100
return ave, "", 0, []string{""}, nil
}
func main() {
result, _, _, _, err := GetAveNum(0, 8)
if err != nil {
fmt.Println("Oops!, got some errors: ", err)
return
}
fmt.Println("result: ", result)
}
