package utils
import "strings"
func Greet(name string) string {
return "Hello, " + name + "!"
}
func MaskEmail(email string) string {
parts := strings.Split(email, "@")
return parts[0][:1] + "***@" + parts[1]
}
func FilterPositive(xs []int) []int {
var out []int
for _, x := range xs {
if x > 0 {
out = append(out, x)
}
}
return out
}