event

Documentation

Index

• type Bus
  • func (b *Bus) Publish(t Typer)
  • func (b *Bus) Subscribe(t Type, f Subscriber) func()
• type Subscriber
• type Type
  • func (ty Type) Type() Type
• type Typer

Types

type Bus

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

Bus intemediates publishers and subscribers via an event interface.

func (*Bus) Publish

func (b *Bus) Publish(t Typer)

Publish an event to all Subscribers to that type.

func (*Bus) Subscribe

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

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

type Subscriber

type Subscriber func(Typer)

Subscriber is anything that is subscribed to an event type.

type Type

type Type string

Type enumerates Events.

func (Type) Type

func (ty Type) Type() Type

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

type Typer

type Typer interface {
	Type() Type
}

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