package main
import . "fmt" //notice 1
type testInt func(uint32) bool
func isOdd(integer uint32) bool {
if integer% == {
return false
}
return true
}
func isEven(integer uint32) bool {
if integer% == {
return true
}
return false
}
func filter(slice []uint32, f testInt) []uint32 {
var result []uint32
for _,value := range slice { //notice 2
if f(value) {
result = append(result, value)
}
}
return result
}
func main() {
slice := []uint32 {,,,,,}
Println( slice)
odd := filter(slice, isOdd)
Println("Odd elements of slice are : ", odd)
even := filter(slice, isEven)
Println("Even elements of slice are : ", even)
}注意点一，引入包的方法；
注意点二，range返回两个值：下标值，数组实际值；