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[1 of 4] Compiling RewritePerfDefs ( RewritePerfDefs.hs, RewritePerfDefs.o )
[2 of 4] Compiling RewritePerfPlugin ( RewritePerfPlugin.hs, RewritePerfPlugin.o )
[3 of 4] Compiling Main ( TcPlugin_RewritePerf.hs, TcPlugin_RewritePerf.o )
TcPlugin_RewritePerf.hs:25:8: error: [GHC-39999]
• No instance for ‘Show
(Proxy
[['Cube G B W R B G, 'Cube W G B W R R, 'Cube R W R B G R,
'Cube B R G G W W],
['Cube G B R W B G, 'Cube R R W B G W, 'Cube R G B R W R,
'Cube W W G G R B],
['Cube G W R B B G, 'Cube W B W R G R, 'Cube R R B G W R,
'Cube B G G W R W],
['Cube G R W B B G, 'Cube R W B G R W, 'Cube R B R W G R,
'Cube W G G R W B],
['Cube G R B B W G, 'Cube W W R G B R, 'Cube R B G W R R,
'Cube B G W R G W],
['Cube G W B B R G, 'Cube R B G R W W, 'Cube R R W G B R,
'Cube W G R W G B],
['Cube G B B W R G, 'Cube W R G B W R, 'Cube R G W R B R,
'Cube B W R G G W],
['Cube G B B R W G, 'Cube R G R W B W, 'Cube R W G B R R,
'Cube W R W G G B]])’
arising from a use of ‘print’
• In the expression: print (Proxy :: Proxy (Solutions Cubes))
In an equation for ‘main’:
main = print (Proxy :: Proxy (Solutions Cubes))
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