golang-github-jbenet-go-context-dev 0.0~git20150711.d14ea06-2 (amd64 binary) in ubuntu eoan

 Package context contains some extensions to golang.org/x/net/context.
 Subpackage ctxext provides multiple useful context constructors.
 Subackage ctxio provides io.Reader and io.Writer wrappers that
 respect context.Contexts. Use these at the interface between
 context code and io.