go/src/cmd/internal/quoted/quoted.go

func isSpaceByte(c byte) bool { … }

// Split splits s into a list of fields,
// allowing single or double quotes around elements.
// There is no unescaping or other processing within
// quoted fields.
//
// Keep in sync with cmd/dist/quoted.go
func Split(s string) ([]string, error) { … }

// Join joins a list of arguments into a string that can be parsed
// with Split. Arguments are quoted only if necessary; arguments
// without spaces or quotes are kept as-is. No argument may contain both
// single and double quotes.
func Join(args []string) (string, error) { … }

type Flag …

var _ …

func (f *Flag) Set(v string) error { … }

func (f *Flag) String() string { … }