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records-mixing-fields.hs:1:1: error:
The IO action ‘main’ is not defined in module ‘Main’
records-mixing-fields.hs:10:14: error:
Cannot use a mixture of pattern synonym and record selectors
Record selectors defined by ‘MyRec’: qux
Pattern synonym selectors defined by ‘HisRec’: f1
In the expression: a {f1 = 1, qux = "two"}
In an equation for ‘updater1’: updater1 a = a {f1 = 1, qux = "two"}
records-mixing-fields.hs:12:14: error:
Cannot use a mixture of pattern synonym and record selectors
Record selectors defined by ‘MyRec’: foo
Pattern synonym selectors defined by ‘HisRec’: f1
In the expression: a {f1 = 1, foo = 2}
In an equation for ‘updater2’: updater2 a = a {f1 = 1, foo = 2}
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