41 lines
742 B
Go
41 lines
742 B
Go
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package template_p
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import (
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"fmt"
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)
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type Greeter interface {
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message() string
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}
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type GreeterTemplate interface {
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first() string
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third() string
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greet(Greeter) string
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}
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type PrincesGreeterTmpl struct {}
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func (p PrincesGreeterTmpl) first() string {
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return "Welcome"
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}
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func (p PrincesGreeterTmpl) third() string {
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return "to our palace!"
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}
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func (p PrincesGreeterTmpl) greet(g Greeter) string {
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return fmt.Sprintf("%s, %s %s", p.first(), g.message(), p.third())
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}
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type PrincesGreeter struct {
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name string
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}
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func (p *PrincesGreeter) message() string {
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return fmt.Sprintf("your magesty princes %s", p.name)
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}
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func Demo() {
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prGreeter := &PrincesGreeter{"Diana"}
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tmpl := PrincesGreeterTmpl{}
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fmt.Println(tmpl.greet(prGreeter))
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}
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