efficiency

Marcin 'Qrczak' Kowalczyk [email protected]
Wed, 16 Jan 2002 21:17:29 +0000 (UTC)


Tue, 15 Jan 2002 13:06:58 +0100, Rijk-Jan van Haaften <[email protected]> pisze:

> This feature is one I consider among the worst in Haskell. If
> a datatype with just a single constructor can be optimized away,

It can't. newtype has a different semantics than data, as others
explained. It would be weird if data had non-uniform semantics for
the one-constructor-with-one-field case, even though usually newtype
is the variant we prefer.

-- 
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  ^^
QRCZAK