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tcfail164.hs:11:5: error: [GHC-08522]
• Bad call to tagToEnum# at type a
Specify the type by giving a type signature
e.g. (tagToEnum# x) :: Bool
• In the expression: tagToEnum# 0#
In an equation for ‘f’: f = tagToEnum# 0#
tcfail164.hs:17:34: error: [GHC-49356]
• Bad call to tagToEnum# at type Int
Result type must be an enumeration type
• In the expression: tagToEnum# value#
In an equation for ‘readUnboxable’:
readUnboxable (I# value#) = tagToEnum# value#
In the instance declaration for ‘Unboxable Int’
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