Versions in this module Expand all Collapse all v0 v0.19.0 Jan 31, 2019 v0.18.1 Sep 11, 2018 Changes in this version + var ErrCanceled = errors.New("async operation canceled") + type Async struct + Cancel chan interface{} + Done chan interface{} + Err error + ToUI chan interface{} + UpdateProgress func(string) + func NewAsync() *Async + func (async *Async) Grab(client *grab.Client, url string, hzFn func(string)) []byte