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  • #13637

Closed
Open
Opened May 02, 2017 by darchon@trac-darchon

Printing type operators adds extraneous parenthesis

Given the code:

{-# LANGUAGE TypeOperators #-}

type name ::: a = a

f :: Int ::: Int -> Int
f = id

In GHCi-8.0.2 I get:

>>> :t f
f :: Int ::: Int -> Int

But in GHCi-8.2.0.20170427 I get:

>>> :t f
f :: (Int ::: Int) -> Int
Trac metadata
Trac field Value
Version 8.2.1-rc2
Type Bug
TypeOfFailure OtherFailure
Priority normal
Resolution Unresolved
Component Compiler
Test case
Differential revisions
BlockedBy
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Blocking
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Operating system
Architecture
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Reference: ghc/ghc#13637