Nightly head.hackage failure beginning Saturday 2023-09-02
Hundreds of packages affected due to dependencies failing to build.
Job #1654704 failed for head.hackage@85783b5d:
Failed to build vector-stream-0.1.0.0.
Build log (
/root/.cabal/logs/ghc-9.9.20230901/vector-stream-0.1.0.0-4b0f5ca63a10dc12c06274ef017c825b482e4e406adaea2108c793305b17ea3b.log
):
Configuring library for vector-stream-0.1.0.0..
Preprocessing library for vector-stream-0.1.0.0..
Building library for vector-stream-0.1.0.0..
[1 of 1] Compiling Data.Stream.Monadic ( src/Data/Stream/Monadic.hs, dist/build/Data/Stream/Monadic.o, dist/build/Data/Stream/Monadic.dyn_o )
src/Data/Stream/Monadic.hs:169:10: error: [GHC-87543]
Ambiguous occurrence ‘foldl'’.
It could refer to
either ‘Prelude.foldl'’,
imported from ‘Prelude’ at src/Data/Stream/Monadic.hs:(92,1)-(103,52)
(and originally defined in ‘Data.Foldable’),
or ‘Data.Stream.Monadic.foldl'’,
defined at src/Data/Stream/Monadic.hs:957:1.
|
169 | length = foldl' (\n _ -> n+1) 0
| ^^^^^^