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Go值方法 & 指针方法
1 package main 2 3 import ( 4 "fmt" 5 "sort" 6 ) 7 8 type SortableStrings [3]string 9 10 type Sortable interface {11 sort.Interface12 Sort()13 }14 15 func (self SortableStrings) Len() int {16 return len(self)17 }18 19 func (self SortableStrings) Less(i, j int) bool {20 return self[i] < self[j]21 }22 23 func (self SortableStrings) Swap(i, j int) {24 self[i], self[j] = self[j], self[i]25 }26 27 func main() {28 _, ok1 := interface{}(SortableStrings{}).(sort.Interface)29 fmt.Println("ok1", ok1)30 31 _, ok2 := interface{}(SortableStrings{}).(Sortable)32 fmt.Println("ok2", ok2)33 }
1 package main 2 3 import ( 4 "fmt" 5 "sort" 6 ) 7 8 type SortableStrings [3]string 9 10 type Sortable interface {11 sort.Interface12 Sort()13 }14 15 func (self SortableStrings) Len() int {16 return len(self)17 }18 19 func (self SortableStrings) Less(i, j int) bool {20 return self[i] < self[j]21 }22 23 func (self SortableStrings) Swap(i, j int) {24 self[i], self[j] = self[j], self[i]25 }26 27 func (self SortableStrings) Sort() {28 sort.Sort(self)29 }30 31 func main() {32 _, ok1 := interface{}(SortableStrings{}).(sort.Interface)33 fmt.Println("ok1", ok1)34 35 _, ok2 := interface{}(SortableStrings{}).(Sortable)36 fmt.Println("ok2", ok2)37 }
1 package main 2 3 import ( 4 "fmt" 5 "sort" 6 ) 7 8 type SortableStrings [3]string 9 10 type Sortable interface {11 sort.Interface12 Sort()13 }14 15 func (self SortableStrings) Len() int {16 return len(self)17 }18 19 func (self SortableStrings) Less(i, j int) bool {20 return self[i] < self[j]21 }22 23 func (self SortableStrings) Swap(i, j int) {24 self[i], self[j] = self[j], self[i]25 }26 27 func (self *SortableStrings) Sort() {28 sort.Sort(self)29 }30 31 func main() {32 _, ok1 := interface{}(SortableStrings{}).(sort.Interface)33 fmt.Println("ok1", ok1)34 35 _, ok2 := interface{}(SortableStrings{}).(Sortable)36 fmt.Println("ok2", ok2)37 }
1 package main 2 3 import ( 4 "fmt" 5 "sort" 6 ) 7 8 type SortableStrings [3]string 9 10 type Sortable interface {11 sort.Interface12 Sort()13 }14 15 func (self SortableStrings) Len() int {16 return len(self)17 }18 19 func (self SortableStrings) Less(i, j int) bool {20 return self[i] < self[j]21 }22 23 func (self SortableStrings) Swap(i, j int) {24 self[i], self[j] = self[j], self[i]25 }26 27 func (self *SortableStrings) Sort() {28 sort.Sort(self)29 }30 31 func main() {32 _, ok1 := interface{}(SortableStrings{}).(sort.Interface)33 fmt.Println("ok1", ok1)34 35 _, ok2 := interface{}(&SortableStrings{}).(Sortable)36 fmt.Println("ok2", ok2)37 }
1 package main 2 3 import ( 4 "fmt" 5 "sort" 6 ) 7 8 type SortableStrings [3]string 9 10 type Sortable interface {11 sort.Interface12 Sort()13 }14 15 func (self SortableStrings) Len() int {16 return len(self)17 }18 19 func (self SortableStrings) Less(i, j int) bool {20 return self[i] < self[j]21 }22 23 func (self SortableStrings) Swap(i, j int) {24 self[i], self[j] = self[j], self[i]25 }26 27 func (self *SortableStrings) Sort() {28 sort.Sort(self)29 }30 31 func main() {32 _, ok1 := interface{}(&SortableStrings{}).(sort.Interface)33 fmt.Println("ok1", ok1)34 35 _, ok2 := interface{}(&SortableStrings{}).(Sortable)36 fmt.Println("ok2", ok2)37 }
1 package main 2 3 import ( 4 "fmt" 5 "sort" 6 ) 7 8 type SortableStrings [3]string 9 10 type Sortable interface {11 sort.Interface12 Sort()13 }14 15 func (self SortableStrings) Len() int {16 return len(self)17 }18 19 func (self SortableStrings) Less(i, j int) bool {20 return self[i] < self[j]21 }22 23 func (self SortableStrings) Swap(i, j int) {24 self[i], self[j] = self[j], self[i]25 }26 27 func (self *SortableStrings) Sort() {28 sort.Sort(self)29 }30 31 func main() {32 ss := SortableStrings{"2", "3", "1"}33 ss.Sort()34 fmt.Println("Sortable Strings", ss)35 _, ok1 := interface{}(SortableStrings{}).(sort.Interface)36 fmt.Println("ok1", ok1)37 38 _, ok2 := interface{}(SortableStrings{}).(Sortable)39 fmt.Println("ok2", ok2)40 41 _, ok3 := interface{}(&SortableStrings{}).(sort.Interface)42 fmt.Println("ok3", ok3)43 44 _, ok4 := interface{}(&SortableStrings{}).(Sortable)45 fmt.Println("ok4", ok4)46 }
1 package main 2 3 import ( 4 "fmt" 5 "sort" 6 ) 7 8 type SortableStrings [3]string 9 10 type Sortable interface {11 sort.Interface12 Sort()13 }14 15 func (self *SortableStrings) Len() int {16 return len(self)17 }18 19 func (self *SortableStrings) Less(i, j int) bool {20 return self[i] < self[j]21 }22 23 func (self *SortableStrings) Swap(i, j int) {24 self[i], self[j] = self[j], self[i]25 }26 27 func (self *SortableStrings) Sort() {28 sort.Sort(self)29 }30 31 func main() {32 ss := SortableStrings{"2", "3", "1"}33 ss.Sort()34 fmt.Println("Sortable Strings", ss)35 _, ok1 := interface{}(SortableStrings{}).(sort.Interface)36 fmt.Println("ok1", ok1)37 38 _, ok2 := interface{}(SortableStrings{}).(Sortable)39 fmt.Println("ok2", ok2)40 41 _, ok3 := interface{}(&SortableStrings{}).(sort.Interface)42 fmt.Println("ok3", ok3)43 44 _, ok4 := interface{}(&SortableStrings{}).(Sortable)45 fmt.Println("ok4", ok4)46 }
Go值方法 & 指针方法
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