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43 lines
777 B
Go
43 lines
777 B
Go
package simplefactory
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import "fmt"
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type schoolmember int
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const (
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student schoolmember = iota
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teacher
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)
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//Mouth is interface that people can Say words
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type Mouth interface {
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Say(name string) string
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}
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//New return instance object that have `Mouth` and can speak
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func New(t schoolmember) Mouth {
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switch t {
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case student:
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return &studentType{}
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case teacher:
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return &teacherType{}
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}
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return nil
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}
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//teacherType is one of Mouth implement
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type teacherType struct{}
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//Say teacher's name
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func (*teacherType) Say(name string) string {
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return fmt.Sprintf("I am Teacher: %s", name)
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}
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//studentType is another Mouth implement
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type studentType struct{}
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//Say student's name
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func (*studentType) Say(name string) string {
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return fmt.Sprintf("I am Student： %s", name)
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}
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