Versions in this module Expand all Collapse all v1 v1.0.0 Dec 6, 2018 Changes in this version + func Parse(fs *flag.FlagSet, args []string, options ...Option) error + func PlainParser(r io.Reader, set func(name, value string) error) error + type ConfigFileParser func(r io.Reader, set func(name, value string) error) error + type Context struct + type Option func(*Context) + func WithConfigFile(filename string) Option + func WithConfigFileFlag(flagname string) Option + func WithConfigFileParser(p ConfigFileParser) Option + func WithEnvVarPrefix(prefix string) Option