【Golang】sort.Sliceでtime.Time型のスライスをソート - Qiita

package main import ( "fmt" "time" "sort" ) type User struct { Name string CreatedAt time.Time } func main() { us := []User{ { Name: "john", CreatedAt: time.Now().Add(time.Minute), }, { Name: "kenta", CreatedAt: time.Now(), }, } fmt.Println(us) sort.Slice(us, func(i, j int) bool { return us[i].CreatedAt.Before(us[j].CreatedAt) }) fmt.Println(us) } // Sort前 // [{john 2009-11-10 23:01:00 +0000 UTC m