#4273: TextEncoding lacks Eq and Show instances
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Reporter: bos | Owner: simonmar
Type: feature request | Status: closed
Priority: normal | Milestone: 7.0.1
Component: libraries/base | Version: 6.12.3
Resolution: fixed | Keywords:
Testcase: | Blockedby:
Difficulty: | Os: Unknown/Multiple
Blocking: | Architecture: Unknown/Multiple
Failure: None/Unknown |
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Comment(by simonmar):
Replying to [comment:3 bos]:
> Thanks. Any particular reason you didn't go for Eq too?
I wasn't completely sure what it should do. e.g. do you want an Iconv-
backed UTF-8 codec to compare equal to the built-in UTF-8 codec? They are
functionally identical, so perhaps they should. If so, then comparing the
results of `show` would be sufficient. If not, then Eq is more tricky.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4273#comment:4>
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