#6028: warning for cyclic unimplemented defaults
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Reporter: lerkok | Owner:
Type: feature request | Status: new
Priority: normal | Component: Compiler
Version: 7.4.1 | Keywords:
Os: Unknown/Multiple | Architecture: Unknown/Multiple
Failure: None/Unknown | Testcase:
Blockedby: | Blocking:
Related: |
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Comment(by lerkok):
Along similar lines; it'd be really awesome if ghc computed that
information, and printed it with :i, something like:
ghci> :i Num
minimal complete definition: +, *, abs, signum, fromInteger, and one of
negate, -
....
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/6028#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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