NAME

       Catmandu::Fix::retain - delete everything except the paths given

SYNOPSIS

          # Delete everything except foo.bar and baz.bar
          retain(foo.bar, bar.baz)

          {bar => { x => 1} , foo => {bar => 1, y => 2}}
          # becomes
          {foo => {bar => 1}}

SEE ALSO

       Catmandu::Fix