#5044: Proposal: Generalize maybeNew
---------------------------------+------------------------------------------
Reporter: basvandijk | Owner:
Type: task | Status: new
Priority: normal | Component: libraries/base
Version: 7.0.2 | Keywords:
Testcase: | Blockedby:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: None/Unknown
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This is a tiny proposal to generalize
`Foreign.Marshal.Utils.`[http://hackage.haskell.org/packages/archive/base/latest/doc/html
/Foreign-Marshal-Utils.html#v:maybeNew maybeNew] from:
{{{
maybeNew :: ( a -> IO (Ptr a))
-> (Maybe a -> IO (Ptr a))
}}}
to:
{{{
maybeNew :: ( a -> IO (Ptr b))
-> (Maybe a -> IO (Ptr b))
}}}
so that it becomes consistent with `maybeWith`:
{{{
maybeWith :: ( a -> (Ptr b -> IO c) -> IO c)
-> (Maybe a -> (Ptr b -> IO c) -> IO c)
}}}
The [http://www.haskell.org/pipermail/libraries/2011-March/016027.html
thread] on the libraries list didn't get any replies so I guess there's a
consensus.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5044>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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