I have written the 'contextio' package that may be useful to you. It provides io.Reader and io.Writer wrappers that handle context cancellation. This allows to

I have written the 'contextio' package that may be useful to you. It provides io.Reader and io.Writer wrappers that handle context cancellation. This allows to transparently add optinal context cancellation awareness to routines that work with I/O without injecting context as argument. Doc: https://godoc.org/github.com/dolmen-go/contextio https://godoc.org/github.com/dolmen-go/contextio Example: https://godoc.org/github.com/dolmen-go/contextio#example-package--Copy https://godoc.org/github.com/dolmen-go/contextio#example-pac...