Versions in this module Expand all Collapse all v0 v0.26.0 May 12, 2019 v0.25.3 Mar 19, 2019 Changes in this version + var ErrNotFound = errors.New("找不到该子命令") + func Exec(output io.Writer) error + func Register(name string, do func(io.Writer) error, usage func(io.Writer))