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  • GO语言(一)G语言自虐

     1 package main
     2 
     3 import . "fmt"  //notice 1
     4 
     5 type testInt func(uint32) bool
     6 
     7 func isOdd(integer uint32) bool {
     8   if integer%2 == 0 {
     9     return false
    10   }
    11   return true
    12 }
    13 
    14 func isEven(integer uint32) bool {
    15   if integer%2 == 0 {
    16     return true
    17   }
    18   return false
    19 }
    20 
    21 func filter(slice []uint32, f testInt) []uint32 {
    22   var result []uint32
    23   for _,value := range slice { //notice 2
    24     if f(value) {
    25       result = append(result, value)
    26     }
    27   }
    28   return result
    29 }
    30 
    31 func main() {
    32   slice := []uint32 {1,2,3,4,5,7}
    33   Println( slice)
    34 
    35   odd := filter(slice, isOdd)
    36   Println("Odd elements of slice are : ", odd)
    37 
    38   even := filter(slice, isEven)
    39   Println("Even elements of slice are : ", even)
    40 }


    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;

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  • 原文地址:https://www.cnblogs.com/xuxu8511/p/3296335.html
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