Golang Program that Uses Named Return Values and Defaults
Golang functions have special functionality that allows them to provide the name to the return values. These named return values can be used as arguments or variables. The named return values also use the default values for the data types like 0 for int type etc. To understand this concept let’s take an example:
package main
import "fmt"
func courses(numbers [] int ) (dsa int , placement int ) {
if len(numbers) >= 2 {
dsa = numbers[0]
placement = numbers[len(numbers)-1]
}
return dsa, placement
}
func main() {
fmt.Println( "Displaying Default Values For Named Return Values" )
prices := [] int {}
fmt.Println(courses(prices))
fmt.Println()
fmt.Println( "Displaying Assigned Values For Named Return Values" )
prices = [] int {2499, 7499}
fmt.Println(courses(prices))
}
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Example:
Displaying Default Values For Named Return Values
0 0
Displaying Assigned Values For Named Return Values
2499 7499
Last Updated :
17 May, 2020
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