Resolving dependencies...
Downloading  deriving-via-fun-0.1.0.0
Downloaded   deriving-via-fun-0.1.0.0
Configuring deriving-via-fun-0.1.0.0...
Preprocessing library for deriving-via-fun-0.1.0.0..
Building library for deriving-via-fun-0.1.0.0..
[1 of 1] Compiling DerivingViaFun   ( src/DerivingViaFun.hs, dist/build/DerivingViaFun.o, dist/build/DerivingViaFun.dyn_o )

src/DerivingViaFun.hs:455:3: warning: [GHC-50928] [-Wnoncanonical-monoid-instances]
    Noncanonical mappend definition detected
    in the instance declaration for Monoid (Fun (f :: a ~> b)).
    mappend will eventually be removed in favour of (<>)
    Suggested fix:
      Either remove definition for mappend (recommended) or define as mappend = (<>)
      See also: https://gitlab.haskell.org/ghc/ghc/-/wikis/proposal/semigroup-monoid
    |
455 |   mappend (Fun x) (Fun y) = Fun (x <> y)
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

src/DerivingViaFun.hs:549:13: warning: [GHC-68441] [-Wdeprecations]
    In the use of bitSize
    (imported from Data.Bits, but defined in GHC.Bits):
    Deprecated: "Use 'bitSizeMaybe' or 'finiteBitSize' instead"
    |
549 |   bitSize = bitSize . unfun
    |             ^^^^^^^

src/DerivingViaFun.hs:590:3: warning: [GHC-22705] [-Wnoncanonical-monad-instances]
    Noncanonical return definition detected
    in the instance declaration for Monad (Fun1 (f :: p ~> q)).
    return will eventually be removed in favour of pure
    Suggested fix:
      Either remove definition for return (recommended) or define as return = pure
      See also: https://gitlab.haskell.org/ghc/ghc/-/wikis/proposal/monad-of-no-return
    |
590 |   return = Fun1 . pure
    |   ^^^^^^^^^^^^^^^^^^^^

src/DerivingViaFun.hs:592:3: warning: [GHC-22705] [-Wnoncanonical-monad-instances]
    Noncanonical (>>) definition detected
    in the instance declaration for Monad (Fun1 (f :: p ~> q)).
    (>>) will eventually be removed in favour of (*>)
    Suggested fix:
      Either remove definition for (>>) (recommended) or define as (>>) = (*>)
      See also: https://gitlab.haskell.org/ghc/ghc/-/wikis/proposal/monad-of-no-return
    |
592 |   u >> v = fun1 (unfun1 u >> unfun1 v)
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Preprocessing library for deriving-via-fun-0.1.0.0..
Running Haddock on library for deriving-via-fun-0.1.0.0..
Warning: --source-* options are ignored when --hyperlinked-source is enabled.
[1 of 1] Compiling DerivingViaFun   ( src/DerivingViaFun.hs, nothing )

src/DerivingViaFun.hs:455:3: warning: [GHC-50928] [-Wnoncanonical-monoid-instances]
    Noncanonical mappend definition detected
    in the instance declaration for Monoid (Fun (f :: a ~> b)).
    mappend will eventually be removed in favour of (<>)
    Suggested fix:
      Either remove definition for mappend (recommended) or define as mappend = (<>)
      See also: https://gitlab.haskell.org/ghc/ghc/-/wikis/proposal/semigroup-monoid
    |
455 |   mappend (Fun x) (Fun y) = Fun (x <> y)
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

src/DerivingViaFun.hs:549:13: warning: [GHC-68441] [-Wdeprecations]
    In the use of bitSize
    (imported from Data.Bits, but defined in GHC.Bits):
    Deprecated: "Use 'bitSizeMaybe' or 'finiteBitSize' instead"
    |
549 |   bitSize = bitSize . unfun
    |             ^^^^^^^

src/DerivingViaFun.hs:590:3: warning: [GHC-22705] [-Wnoncanonical-monad-instances]
    Noncanonical return definition detected
    in the instance declaration for Monad (Fun1 (f :: p ~> q)).
    return will eventually be removed in favour of pure
    Suggested fix:
      Either remove definition for return (recommended) or define as return = pure
      See also: https://gitlab.haskell.org/ghc/ghc/-/wikis/proposal/monad-of-no-return
    |
590 |   return = Fun1 . pure
    |   ^^^^^^^^^^^^^^^^^^^^

src/DerivingViaFun.hs:592:3: warning: [GHC-22705] [-Wnoncanonical-monad-instances]
    Noncanonical (>>) definition detected
    in the instance declaration for Monad (Fun1 (f :: p ~> q)).
    (>>) will eventually be removed in favour of (*>)
    Suggested fix:
      Either remove definition for (>>) (recommended) or define as (>>) = (*>)
      See also: https://gitlab.haskell.org/ghc/ghc/-/wikis/proposal/monad-of-no-return
    |
592 |   u >> v = fun1 (unfun1 u >> unfun1 v)
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Haddock coverage:
Warning: 'Fun' is ambiguous. It is defined
    * at src/DerivingViaFun.hs:115:29
    * at src/DerivingViaFun.hs:115:1
    You may be able to disambiguate the identifier by qualifying it or
    by specifying the type/value namespace explicitly.
    Defaulting to the one defined at src/DerivingViaFun.hs:115:1
Warning: 'Fun1' is ambiguous. It is defined
    * at src/DerivingViaFun.hs:385:38
    * at src/DerivingViaFun.hs:385:1
    You may be able to disambiguate the identifier by qualifying it or
    by specifying the type/value namespace explicitly.
    Defaulting to the one defined at src/DerivingViaFun.hs:385:1
 100% ( 33 / 33) in 'DerivingViaFun'
Documentation created: dist/doc/html/deriving-via-fun/,
dist/doc/html/deriving-via-fun/deriving-via-fun.txt
Installing library in /var/lib/hackage-doc-builder/build-cache/tmp-install/lib/x86_64-linux-ghc-9.8.4/deriving-via-fun-0.1.0.0-ATHAEEQYMI6J0ySjU7Cgmv
Completed    deriving-via-fun-0.1.0.0