future-blog-post-1

future.go

package future

// Interface represents a future. No concrete implementation is
// exposed; all access to a future is via this interface.
type Interface interface {
	// Get returns the values calculated by the future. It will pause until
	// the value is calculated.
	//
	// If Get is invoked multiple times, the same value will be returned each time.
	// Subsequent calls to Get will return instantaneously.
	Get() (interface{}, error)
}