mirror of
https://github.com/libp2p/go-eventbus.git
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33 lines
756 B
Go
33 lines
756 B
Go
package eventbus
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type subSettings struct {
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buffer int
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}
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var subSettingsDefault = subSettings{
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buffer: 16,
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}
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func BufSize(n int) func(interface{}) error {
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return func(s interface{}) error {
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s.(*subSettings).buffer = n
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return nil
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}
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}
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type emitterSettings struct {
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makeStateful bool
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}
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// Stateful is an Emitter option which makes makes the eventbus channel
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// 'remember' last event sent, and when a new subscriber joins the
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// bus, the remembered event is immediately sent to the subscription
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// channel.
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//
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// This allows to provide state tracking for dynamic systems, and/or
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// allows new subscribers to verify that there are Emitters on the channel
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func Stateful(s interface{}) error {
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s.(*emitterSettings).makeStateful = true
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return nil
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}
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