As seen on the stackage build server (building with ghc-8.2):
Building benchmark 'bench' for xxhash-0.0.2..
[1 of 1] Compiling Main ( bench/Bench.hs, dist/build/bench/bench-tmp/Main.o )
bench/Bench.hs:17:10: error:
• No instance for (GHC.Generics.Generic M32.Hash32)
arising from a use of ‘Control.DeepSeq.$dmrnf’
• In the expression: Control.DeepSeq.$dmrnf @M32.Hash32
In an equation for ‘rnf’: rnf = Control.DeepSeq.$dmrnf @M32.Hash32
In the instance declaration for ‘NFData M32.Hash32’
|
17 | instance NFData M32.Hash32
| ^^^^^^^^^^^^^^^^^
As seen on the stackage build server (building with ghc-8.2):