mirror of
https://github.com/golang/go
synced 2024-11-23 01:30:02 -07:00
70 lines
1.5 KiB
Go
70 lines
1.5 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import (
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"fmt";
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"sort";
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)
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func ints() {
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data := []int{74, 59, 238, -784, 9845, 959, 905, 0, 0, 42, 7586, -5467984, 7586};
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a := sort.IntArray(data);
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sort.Sort(a);
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if !sort.IsSorted(a) {
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panic()
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}
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}
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func strings() {
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data := []string{"monday", "tuesday", "wednesday", "thursday", "friday", "saturday", "sunday"};
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a := sort.StringArray(data);
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sort.Sort(a);
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if !sort.IsSorted(a) {
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panic()
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}
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}
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type day struct {
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num int;
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short_name string;
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long_name string;
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}
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type dayArray struct {
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data []*day;
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}
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func (p *dayArray) Len() int { return len(p.data); }
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func (p *dayArray) Less(i, j int) bool { return p.data[i].num < p.data[j].num; }
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func (p *dayArray) Swap(i, j int) { p.data[i], p.data[j] = p.data[j], p.data[i]; }
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func days() {
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Sunday := day{ 0, "SUN", "Sunday" };
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Monday := day{ 1, "MON", "Monday" };
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Tuesday := day{ 2, "TUE", "Tuesday" };
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Wednesday := day{ 3, "WED", "Wednesday" };
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Thursday := day{ 4, "THU", "Thursday" };
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Friday := day{ 5, "FRI", "Friday" };
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Saturday := day{ 6, "SAT", "Saturday" };
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data := []*day{&Tuesday, &Thursday, &Sunday, &Monday, &Friday};
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a := dayArray{data};
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sort.Sort(&a);
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if !sort.IsSorted(&a) {
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panic()
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}
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for i, d := range data {
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fmt.Printf("%s ", d.long_name)
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}
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fmt.Printf("\n")
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}
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func main() {
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ints();
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strings();
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days();
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}
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