blob: df2abc0587b50a1a2ea7d5dcf9ab322674e158b6 [file] [log] [blame]
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"fmt"
"sort"
)
func ints() {
data := []int{74, 59, 238, -784, 9845, 959, 905, 0, 0, 42, 7586, -5467984, 7586}
a := sort.IntArray(data)
sort.Sort(a)
if !sort.IsSorted(a) {
panic()
}
}
func strings() {
data := []string{"monday", "tuesday", "wednesday", "thursday", "friday", "saturday", "sunday"}
a := sort.StringArray(data)
sort.Sort(a)
if !sort.IsSorted(a) {
panic()
}
}
type day struct {
num int
shortName string
longName string
}
type dayArray struct {
data []*day
}
func (p *dayArray) Len() int { return len(p.data) }
func (p *dayArray) Less(i, j int) bool { return p.data[i].num < p.data[j].num }
func (p *dayArray) Swap(i, j int) { p.data[i], p.data[j] = p.data[j], p.data[i] }
func days() {
Sunday := day{ 0, "SUN", "Sunday" }
Monday := day{ 1, "MON", "Monday" }
Tuesday := day{ 2, "TUE", "Tuesday" }
Wednesday := day{ 3, "WED", "Wednesday" }
Thursday := day{ 4, "THU", "Thursday" }
Friday := day{ 5, "FRI", "Friday" }
Saturday := day{ 6, "SAT", "Saturday" }
data := []*day{&Tuesday, &Thursday, &Wednesday, &Sunday, &Monday, &Friday, &Saturday}
a := dayArray{data}
sort.Sort(&a)
if !sort.IsSorted(&a) {
panic()
}
for _, d := range data {
fmt.Printf("%s ", d.longName)
}
fmt.Printf("\n")
}
func main() {
ints()
strings()
days()
}