How to iterate over all elements in map in Golang 1.20
0In this video we are going to generate source code for the GoLang Program, How to iterate over all elements in map 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"
func main() {
// Declare a map of string keys and integer values
m := map[string]int{
"one": 1,
"two": 2,
"three": 3,
}
// Iterate over all key-value pairs in the map using a for loop
for key, value := range m {
fmt.Printf("Key: %s, Value: %d\n", key, value)
}
}
##############END OF SOURCE CODE#########################
Below is the explanation for the program:
In this program, we first declare a map of string keys and integer values using the map literal syntax and the syntax m := map[string]int{key1: value1, key2: value2, ...}.
We then iterate over all key-value pairs in the map using a for loop and the range keyword, which returns the key and the value for each iteration.
We use the Printf function from the fmt package to print the key and the value for each iteration using the format string "Key: %s, Value: %d\n".
The %s and %d are placeholders for the key and the value, respectively, and the \n is a newline character that prints a newline after each key-value pair.
#go #goprogramming #golang #golangtutorial #golanguage