path: root/testsuite/tests/rep-poly/RepPolyArrowCmd.stderr

RepPolyArrowCmd.hs:26:17: error: [GHC-55287]
    • The arrow command ‘returnA -< x’
      does not have a fixed runtime representation.
      Its type is:
        a :: TYPE r
    • In the expression: proc x -> returnA -< x
      In an equation for ‘foo’: foo = proc x -> returnA -< x