woodpecker/stream/context.go

22 lines
449 B
Go
Raw Normal View History

2016-04-13 00:27:24 +00:00
package stream
import "golang.org/x/net/context"
const key = "stream"
// Setter defines a context that enables setting values.
type Setter interface {
Set(string, interface{})
}
// FromContext returns the Mux associated with this context.
func FromContext(c context.Context) Mux {
return c.Value(key).(Mux)
}
// ToContext adds the Mux to this context if it supports
// the Setter interface.
func ToContext(c Setter, m Mux) {
c.Set(key, m)
}