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[1 of 3] Compiling OverloadedRecFldsFail06_A ( OverloadedRecFldsFail06_A.hs, OverloadedRecFldsFail06_A.o )
OverloadedRecFldsFail06_A.hs:9:15: warning: [-Wunused-top-binds (in -Wextra, -Wunused-binds)]
Defined but not used: data constructor ‘MkUnused’
OverloadedRecFldsFail06_A.hs:9:42: warning: [-Wunused-top-binds (in -Wextra, -Wunused-binds)]
Defined but not used: ‘unused2’
OverloadedRecFldsFail06_A.hs:9:59: warning: [-Wunused-top-binds (in -Wextra, -Wunused-binds)]
Defined but not used: ‘used_locally’
[2 of 3] Compiling Main ( overloadedrecfldsfail06.hs, overloadedrecfldsfail06.o )
overloadedrecfldsfail06.hs:15:18: error:
• Record update is ambiguous, and requires a type signature
• In the first argument of ‘print’, namely ‘(u {x = True} :: U)’
In a stmt of a 'do' block: print (u {x = True} :: U)
In the expression:
do print (u {x = True} :: U)
print ((\ MkV2 {y = y} -> y) v)
print (N.x v)
print (getY (v {P.x = 3}))
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