Rust code shared from the playground

playground.rs

                         impl<
                 'four>For for
                &  'four  for<
               'fore>For where
             for<'fore>For:For
         {fn four(     self:&&
      'four for        <'fore>
      For){            print!(
    "four"             )}}  fn
   main(){             four(&(
  four as for<'four>fn(&'four for<'fore>
  For)))}trait For{fn four(&self){}}fn
  four(four:&for<'four>For){<&for<'four>
  For as For>::four(&{((&four).four(),four
                      .four());
                       four})}
                      impl For
                      for for<
                      'four>fn
                      (&'four
                      for<'fore
                      >For){fn
                      four(&self
                      ){print!(
                      "for")}}