Operator precedences don't match:
infix 5 at ./testdata/language-features/basic-values/operator07.reject.lc:11:11:
main = () @&> () <@& ()
          ^^^
infixl 5 at ./testdata/language-features/basic-values/operator07.reject.lc:11:18:
main = () @&> () <@& ()
                 ^^^