libgo/go/sort/example_test.go

   1 // Copyright 2011 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 package sort_test
   6
   7 import (
   8         "fmt"
   9         "sort"
  10 )
  11
  12 func ExampleInts() {
  13         s := []int{5, 2, 6, 3, 1, 4} // unsorted
  14         sort.Ints(s)
  15         fmt.Println(s)
  16         // Output: [1 2 3 4 5 6]
  17 }
  18
  19 func ExampleReverse() {
  20         s := []int{5, 2, 6, 3, 1, 4} // unsorted
  21         sort.Sort(sort.Reverse(sort.IntSlice(s)))
  22         fmt.Println(s)
  23         // Output: [6 5 4 3 2 1]
  24 }
  25
  26 func ExampleSlice() {
  27         people := []struct {
  28                 Name string
  29                 Age  int
  30         }{
  31                 {"Gopher", 7},
  32                 {"Alice", 55},
  33                 {"Vera", 24},
  34                 {"Bob", 75},
  35         }
  36         sort.Slice(people, func(i, j int) bool { return people[i].Name < people[j].Name })
  37         fmt.Println("By name:", people)
  38
  39         sort.Slice(people, func(i, j int) bool { return people[i].Age < people[j].Age })
  40         fmt.Println("By age:", people)
  41         // Output: By name: [{Alice 55} {Bob 75} {Gopher 7} {Vera 24}]
  42         // By age: [{Gopher 7} {Vera 24} {Alice 55} {Bob 75}]
  43 }