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