deeqSeq proposal

Simon Marlow simonmar at
Tue Apr 11 03:47:35 EDT 2006

On 10 April 2006 22:41, Andy Gill wrote:

> Why can't we just steal a bit in the (GHC)
> info table,
> rather than mess with LSB of pointers, or have two info tables?

Because you need one bit per constructor *instance*.  eg. there are two
variants of Just: the normal one, and the deepSeq'd one.  So I either
put the bit in the constructor instance itself, or I need one info table
for each variant, or I need to distinguish based on the address of the


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