How to Convert a Set of Strings to a Set of Integers in Go - Step by Step Examples
How to Convert a Set of Strings to a Set of Integers in Go ?
Answer
In Go, you can convert a set of strings to a set of integers by iterating through the set and using the strconv.Atoi() function to convert each string to an integer.
✐ Examples
1 Convert a Set of Strings to a Set of Integers using strconv.Atoi()
In this example,
- We have a set named stringSet1 containing the elements '1', '2', '3', '4', '5'.
- We iterate through stringSet1 and use strconv.Atoi() to convert each string element to an integer.
- We add the converted integers to a new set named intSet1.
- We print the resulting intSet1 to the console.
Go Program
package main
import (
"fmt"
"strconv"
)
func main() {
stringSet1 := map[string]struct{}{"1": {}, "2": {}, "3": {}, "4": {}, "5": {}}
intSet1 := make(map[int]struct{})
for str := range stringSet1 {
if i, err := strconv.Atoi(str); err == nil {
intSet1[i] = struct{}{}
}
}
fmt.Println(intSet1)
}
Output
map[1:{} 2:{} 3:{} 4:{} 5:{}]
2 Convert a Set of Strings to a Set of Integers using strconv.ParseInt()
In this example,
- We have a set named stringSet2 containing the elements '10', '20', '30', '40', '50'.
- We iterate through stringSet2 and use strconv.ParseInt() to convert each string element to an integer.
- We add the converted integers to a new set named intSet2.
- We print the resulting intSet2 to the console.
Go Program
package main
import (
"fmt"
"strconv"
)
func main() {
stringSet2 := map[string]struct{}{"10": {}, "20": {}, "30": {}, "40": {}, "50": {}}
intSet2 := make(map[int]struct{})
for str := range stringSet2 {
if i, err := strconv.ParseInt(str, 10, 64); err == nil {
intSet2[int(i)] = struct{}{}
}
}
fmt.Println(intSet2)
}
Output
map[10:{} 20:{} 30:{} 40:{} 50:{}]
Summary
In this tutorial, we learned How to Convert a Set of Strings to a Set of Integers in Go language with well detailed examples.
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