Imports github.com/elves/elvish/eval github.com/elves/elvish/edit/ui github.com/elves/elvish/util github.com/elves/elvish/eval/vars github.com/elves/elvish/edit/eddefs github.com/elves/elvish/eval/vals github.com/elves/elvish/styled Standard library imports io/ioutil math os sync time os/user