vigalchin: > Hello, > > I am reading some extant Haskell code that uses Posix signals.... I am > confused by the motivation of the following ... > > type [1]Signal = [2]CInt > [3]nullSignal :: [4]Signal > [5]internalAbort :: [6]Signal > [7]sigABRT :: [8]CInt > [9]realTimeAlarm :: [10]Signal > [11]sigALRM :: [12]CInt > [13]busError :: [14]Signal > [15]sigBUS :: [16]CInt > > OK .. "type" is really just a synomym and doesn't invoke type checking > like "data" type declarations do .. so why don't we have all the "CInts" > substituted by "Signal"? I.e. what did I miss?
Looks like it should all be Signal, and probably should be using a newtype, to prevent funky tricks. The Posix layer is a bit crufty. -- Don _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
