[slice常用方法] #go

slice-of-struct-sort-by-field.go

package main

import (
	"fmt"

	"github.com/bradfitz/slice"
)

type ArtistUidInfo struct {
	ArtistId    int64
	ArtistOrder int8
	InternalID  string
}

func main() {
	a := &ArtistUidInfo{
		ArtistId:    1,
		ArtistOrder: 1,
	}
	b := &ArtistUidInfo{
		ArtistId:    2,
		ArtistOrder: 2,
	}
	c := &ArtistUidInfo{
		ArtistId:    3,
		ArtistOrder: 3,
	}
	d := []*ArtistUidInfo{b, c, a}
	for _, e := range d {
		fmt.Printf("%v", e)
	}
	fmt.Printf("%v", d)
	slice.Sort(d[:], func(i, j int) bool {
		return d[i].ArtistOrder < d[j].ArtistOrder
	})
	for _, e := range d {
		fmt.Printf("%v", e)
	}
	fmt.Printf("%v", d)
}