ProgramGuruTo convert a map to an array of values in Go, you can use a for loop to iterate over the map and store the values in a slice. This provides a convenient way to extract all values from the map.
We can convert a map to an array of values in Go using a for loop, which provides a straightforward way to iterate over all key-value pairs and collect the values.
For example,
myMap with some key-value pairs. In this example, the map has string keys and integer values.values to store the values from the map.values slice using the append function.fmt.Println function to verify the conversion.package main
import "fmt"
func main() {
// Declare and initialize a map
myMap := map[string]int{
"one": 1,
"two": 2,
"three": 3,
}
// Declare a slice to store the values
var values []int
// Convert map to an array of values using a for loop
for _, value := range myMap {
values = append(values, value)
}
// Print the values
fmt.Println("Values:", values)
}Values: [1 2 3]
We can also convert an empty map to an array of values in Go using a for loop, which returns an empty slice when the map is empty.
For example,
emptyMap with string keys and integer values.values to store the values from the map.values slice using the append function.fmt.Println function to verify that the slice is empty.package main
import "fmt"
func main() {
// Declare an empty map
emptyMap := make(map[string]int)
// Declare a slice to store the values
var values []int
// Convert empty map to an array of values using a for loop
for _, value := range emptyMap {
values = append(values, value)
}
// Print the values
fmt.Println("Values:", values)
}Values: []
We can convert a map to an array of values in Go after adding elements using a for loop, which provides an updated slice of all values in the map.
For example,
dynamicMap with string keys and integer values.values to store the values from the map.values slice using the append function.fmt.Println function to verify the updated list of values.package main
import "fmt"
func main() {
// Declare an empty map
dynamicMap := make(map[string]int)
// Add elements to the map
dynamicMap["one"] = 1
dynamicMap["two"] = 2
dynamicMap["three"] = 3
// Declare a slice to store the values
var values []int
// Convert map to an array of values using a for loop
for _, value := range dynamicMap {
values = append(values, value)
}
// Print the values
fmt.Println("Values:", values)
}Values: [1 2 3]
In this tutorial, we learned How to Convert a Map to an Array of Values in Go language with well detailed examples.