Documentation
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Index ¶
Examples ¶
Constants ¶
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Variables ¶
This section is empty.
Functions ¶
This section is empty.
Types ¶
type Observer ¶
type Observer interface {
OnUpdate(msg string)
}
Example ¶
weather := NewSubject()
joe := NewObserver("joe")
weather.attach(joe)
tom := NewObserver("tom")
weather.attach(tom)
weather.notify("today is sunshiny")
fmt.Println("---")
weather.detach(joe)
weather.notify("tomorrow is cloudy")
fmt.Println("---")
weather.detach(tom)
weather.notify("oh my god")
Output: joe: received "today is sunshiny" tom: received "today is sunshiny" --- tom: received "tomorrow is cloudy" ---
func NewObserver ¶
type Subject ¶
type Subject interface {
// contains filtered or unexported methods
}
func NewSubject ¶
func NewSubject() Subject
Source Files
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