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Type constructor is accepted as context

Consider the following program:

f :: Int => () -> ()
f _ = id

It is accepted by the compiler, even though we are using a type constructor rather than a class assertion in a type context.

Trac metadata
Trac field Value
Version 7.6.3
Type Bug
TypeOfFailure OtherFailure
Priority normal
Resolution Unresolved
Component Compiler (Type checker)
Test case
Differential revisions
BlockedBy
Related
Blocking
CC
Operating system
Architecture
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