event

package

v0.0.0-...-47a16e8 Latest Latest Go to latest Published: Mar 30, 2023 License: GPL-3.0 Imports: 1 Imported by: 0

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type Bus struct {
	// contains filtered or unexported fields
}

Bus intemediates publishers and subscribers via an event interface.

func (b *Bus) Publish(t Typer)

Publish an event to all Subscribers to that type.

func (b *Bus) Subscribe(t Type, f Subscriber) func()

Subscribe to all events of a type. Returns an Unsubscribe function.

type Subscriber func(Typer)

Subscriber is anything that is subscribed to an event type.

type Type string

Type enumerates Events.

func (ty Type) Type() Type

Type implements the Typer interface, so that simple events without data can be Published.

type Typer interface {
	Type() Type
}

Typer is an awkward thing that represents anything that provides its type.