Ticket #2315
(closed bug: wontfix)
Control.Applicative.ZipList doesn't derive Show
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newsham |
Owned by: |
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Priority:
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normal
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Milestone:
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Component:
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libraries (other)
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Version:
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6.8.2
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Keywords:
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Cc:
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Operating System:
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Unknown/Multiple
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Architecture:
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Unknown/Multiple
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Type of failure:
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Difficulty:
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Unknown
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Test Case:
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Blocked By:
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Blocking:
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Related Tickets:
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The Control.Applicative.ZipList? type is not an instance of Show.
To reproduce
show $ ZipList? [1,2,3]
which gives an error:
add an instance declaration for (Show (ZipList? t))
Change History
