34 lines
434 B
Go
34 lines
434 B
Go
package observable
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import (
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"sync"
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)
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type Subscription <-chan any
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type Subscriber struct {
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buffer chan any
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once sync.Once
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}
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func (s *Subscriber) Emit(item any) {
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s.buffer <- item
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}
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func (s *Subscriber) Out() Subscription {
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return s.buffer
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}
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func (s *Subscriber) Close() {
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s.once.Do(func() {
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close(s.buffer)
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})
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}
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func newSubscriber() *Subscriber {
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sub := &Subscriber{
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buffer: make(chan any, 200),
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}
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return sub
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}
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