[Haskell-cafe] difference between type and newtype
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Sat Aug 26 05:44:19 EDT 2006
Il Sat, Aug 26, 2006 at 02:02:36AM +0200, Andrea Rossato ebbe a scrivere:
> perhaps this is silly, but it is not possible to declare function
> could you please indicate me some documentation that explains this
> kind of stuff? So far I didn't find anything on that.
well, I've found something in the Report:
6.1.6 Function Types
Functions are an abstract type: no constructors directly create
functional values. The following simple functions are found in the
Prelude: id, const, (.), flip, ($), and until.
Now I'm trying to understand what "directly" stands for...
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