#4488: Warn about unnecessary fromIntegral and other conversions
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Reporter: mitar | Owner:
Type: feature request | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 6.12.3
Keywords: | Testcase:
Blockedby: | Difficulty:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: None/Unknown
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Comment(by mitar):
All defined in Prelude under ''Numeric Coercions and Overloaded Literals''
section:
{{{
fromInteger :: (Num a) => Integer -> a
fromRational :: (Fractional a) => Rational -> a
toInteger :: (Integral a) => a -> Integer
toRational :: (RealFrac a) => a -> Rational
fromIntegral :: (Integral a, Num b) => a -> b
fromRealFrac :: (RealFrac a, Fractional b) => a -> b
}}}
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4488#comment:4>
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