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Current Path: /opt/golang/1.17.2/src/sort

📁 ..
📄 example_interface_test.go(1.47 KB)
📄 example_keys_test.go(2.68 KB)
📄 example_multi_test.go(4.05 KB)
📄 example_search_test.go(2.12 KB)
📄 example_test.go(2.85 KB)
📄 example_wrapper_test.go(1.63 KB)
📄 export_test.go(239 B)
📄 genzfunc.go(2.91 KB)
📄 search.go(4.14 KB)
📄 search_test.go(4.25 KB)
📄 slice.go(1.41 KB)
📄 slice_go113.go(323 B)
📄 slice_go14.go(486 B)
📄 slice_go18.go(319 B)
📄 sort.go(16.93 KB)
📄 sort_test.go(15.09 KB)
📄 zfuncversion.go(4.82 KB)

Editing: example_wrapper_test.go

// Copyright 2011 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 sort_test

import (
	"fmt"
	"sort"
)

type Grams int

func (g Grams) String() string { return fmt.Sprintf("%dg", int(g)) }

type Organ struct {
	Name   string
	Weight Grams
}

type Organs []*Organ

func (s Organs) Len() int      { return len(s) }
func (s Organs) Swap(i, j int) { s[i], s[j] = s[j], s[i] }

// ByName implements sort.Interface by providing Less and using the Len and
// Swap methods of the embedded Organs value.
type ByName struct{ Organs }

func (s ByName) Less(i, j int) bool { return s.Organs[i].Name < s.Organs[j].Name }

// ByWeight implements sort.Interface by providing Less and using the Len and
// Swap methods of the embedded Organs value.
type ByWeight struct{ Organs }

func (s ByWeight) Less(i, j int) bool { return s.Organs[i].Weight < s.Organs[j].Weight }

func Example_sortWrapper() {
	s := []*Organ{
		{"brain", 1340},
		{"heart", 290},
		{"liver", 1494},
		{"pancreas", 131},
		{"prostate", 62},
		{"spleen", 162},
	}

sort.Sort(ByWeight{s})
	fmt.Println("Organs by weight:")
	printOrgans(s)

sort.Sort(ByName{s})
	fmt.Println("Organs by name:")
	printOrgans(s)

// Output:
	// Organs by weight:
	// prostate (62g)
	// pancreas (131g)
	// spleen   (162g)
	// heart    (290g)
	// brain    (1340g)
	// liver    (1494g)
	// Organs by name:
	// brain    (1340g)
	// heart    (290g)
	// liver    (1494g)
	// pancreas (131g)
	// prostate (62g)
	// spleen   (162g)
}

func printOrgans(s []*Organ) {
	for _, o := range s {
		fmt.Printf("%-8s (%v)\n", o.Name, o.Weight)
	}
}

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