How to pass slice to a function in Golang 1.20
0In this video we are going to generate source code for the GoLang Program, How to pass slice to a function using chatGPT.
After generating we will verify and run the generated code.
IMPORTANT NOTE on SOURCE CODE: only source code that are acceptable by the youtube description box will be displayed.
In this program I have replaced the angled brackets with > or <. once you copy the source code to editor replace it with greater than or less than symbols respectively.
##############SOURCE CODE#########################
package main
import "fmt"
// A function that takes a slice of integers and modifies it in-place
func modifySlice(slice []int) {
for i := 0; i < len(slice); i++ {
slice[i] *= 2
}
}
func main() {
// Declare a slice of integers
slice := []int{1, 2, 3, 4, 5}
// Print the initial contents of the slice
fmt.Println("Before:", slice)
// Pass the slice to the modifySlice() function
modifySlice(slice)
// Print the modified contents of the slice
fmt.Println("After:", slice)
}
##############END OF SOURCE CODE#########################
Below is the explanation for the program:
In this program, we first declare a slice of integers using the syntax slice := []int{1, 2, 3, 4, 5}.
We then define a function called modifySlice that takes a slice of integers as its argument and modifies the elements of the slice in-place by doubling each element.
We then print the initial contents of the slice using the fmt.Println() function.
Next, we pass the slice to the modifySlice() function by passing it as an argument.
Since slices are passed by reference in Go, any modifications made to the slice within the function will be reflected in the original slice.
Finally, we print the modified contents of the slice to see the effect of the function call.
Note that since slices are passed by reference, there is no need to return the modified slice from the function.
Any changes made to the slice within the function will be visible to the caller.
#go #goprogramming #golang #golangtutorial #golanguage