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T19843h.hs:14:7: error: [GHC-39999]
• No instance for ‘GHC.Records.HasField "mup" r4 a4’
arising from selecting the field ‘mup’
Perhaps use ‘mop’ (line 11)
• In the expression: undefined.mup
In an equation for ‘foo’: foo = undefined.mup
T19843h.hs:16:7: error: [GHC-39999]
• No instance for ‘GHC.Records.HasField "traverse" r3 a3’
arising from selecting the field ‘traverse’
• In the expression: undefined.traverse
In an equation for ‘bar’: bar = undefined.traverse
T19843h.hs:18:7: error: [GHC-39999]
• No instance for ‘GHC.Records.HasField "getSum" r2 a2’
arising from selecting the field ‘getSum’
• In the expression: undefined.getSum
In an equation for ‘baz’: baz = undefined.getSum
T19843h.hs:20:8: error: [GHC-39999]
• No instance for ‘GHC.Records.HasField "getAlt" r1 a1’
arising from selecting the field ‘getAlt’
• In the expression: undefined.getAlt
In an equation for ‘quux’: quux = undefined.getAlt
T19843h.hs:24:8: error: [GHC-39999]
• No instance for ‘GHC.Records.HasField "getAll" r0 a0’
arising from selecting the field ‘getAll’
Perhaps use ‘getAlt’ (imported from Data.Monoid)
Perhaps you want to add ‘getAll’ to the import list
in the import of ‘Data.Monoid’ (T19843h.hs:9:1-28).
• In the expression: undefined.getAll
In an equation for ‘quur’: quur = undefined.getAll
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