Aug 15, 2016

Changes in this version

+ var Canceled = errors.New("context canceled")

+ var DeadlineExceeded error = deadlineExceededError{}

+ func WithCancel(parent Context) (ctx Context, cancel CancelFunc)

+ func WithDeadline(parent Context, deadline time.Time) (Context, CancelFunc)

+ func WithTimeout(parent Context, timeout time.Duration) (Context, CancelFunc)

+ type CancelFunc func()

+ type Context interface

+ Deadline func() (deadline time.Time, ok bool)

+ Done func() <-chan struct{}

+ Err func() error

+ Value func(key interface{}) interface{}

+ func Background() Context

+ func TODO() Context

+ func WithValue(parent Context, key, val interface{}) Context